{"title":"38\/40mm Single Blocks","description":null,"products":[{"product_id":"40mm-light-weight-blocks","title":"Polarwave 40mm Light Weight Blocks","description":"\u003cp\u003e\u003cstrong\u003eSheave Ø (mm):\u003c\/strong\u003e 40 mm\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSheave Material:\u003c\/strong\u003e Composite\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLength (mm):\u003c\/strong\u003e 75 mm\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight (g):\u003c\/strong\u003e 38 g\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMaximum Line Ø (mm):\u003c\/strong\u003e 12.5 mm\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMaximum Working Load block (kg):\u003c\/strong\u003e 850 kg\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWorking load becket (kg):\u003c\/strong\u003e 200 kg\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBreaking Load (kg):\u003c\/strong\u003e 1700 kg\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCeramic Bearings\u003c\/strong\u003e\u003c\/p\u003e","brand":"PolarWave","offers":[{"title":"Black","offer_id":50566015451411,"sku":"PW40LWX","price":646.0,"currency_code":"HKD","in_stock":true},{"title":"Red","offer_id":50566015516947,"sku":"PW40LWR","price":646.0,"currency_code":"HKD","in_stock":true},{"title":"Orange","offer_id":50566015549715,"sku":"PW40LWO","price":646.0,"currency_code":"HKD","in_stock":true},{"title":"Green","offer_id":50566015582483,"sku":"PW40LWG","price":646.0,"currency_code":"HKD","in_stock":true},{"title":"Blue","offer_id":50566015615251,"sku":"PW40LWB","price":646.0,"currency_code":"HKD","in_stock":true},{"title":"Pink","offer_id":50566015648019,"sku":"PW40LWP","price":646.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0903\/7001\/5507\/files\/product.37.png?v=1766730024"},{"product_id":"40mm-heavy-load-blocks","title":"PolarWave 40mm Heavy Load Blocks","description":"\u003cdiv dir=\"auto\"\u003e\n\u003cstrong\u003e– Sheave Ø (mm):\u003c\/strong\u003e 40 mm\u003c\/div\u003e\n\u003cdiv dir=\"auto\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv dir=\"auto\"\u003e\n\u003cstrong\u003e– Sheave Material: \u003c\/strong\u003eStainless Steel\u003c\/div\u003e\n\u003cdiv dir=\"auto\"\u003e\n\u003cbr\u003e\u003cmeta charset=\"UTF-8\"\u003e \u003cstrong\u003e– Length (mm):\u003c\/strong\u003e\u003cspan\u003e58 mm\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv dir=\"auto\"\u003e\n\u003cbr\u003e\u003cstrong\u003e– Weight (g):\u003c\/strong\u003e\u003cspan\u003e 66 g\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv dir=\"auto\"\u003e\n\u003cbr\u003e\u003cstrong\u003e– Maximum Line Ø (mm):\u003c\/strong\u003e\u003cspan\u003e 12.5 mm\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv dir=\"auto\"\u003e\n\u003cbr\u003e\u003cstrong\u003e– Maximum Working Load (kg):\u003c\/strong\u003e\u003cspan\u003e1100 kg\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv dir=\"auto\"\u003e\n\u003cbr\u003e\u003cstrong\u003e– Breaking Load (kg):\u003c\/strong\u003e\u003cspan\u003e 2200 kg\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv dir=\"auto\"\u003e\n\u003cbr\u003e\u003cstrong\u003e– Ceramic Bearings\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003cdiv dir=\"auto\"\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv dir=\"auto\"\u003e\n\u003cdiv\u003eUnleash the unrivaled power of the \u003cstrong\u003ePolarWave 40mm sailing block\u003c\/strong\u003e, the epitome of marine engineering excellence. Designed to transcend all expectations, this sailing block sets a new standard for strength, durability, and reliability in the maritime world. Its single-piece fiber reinforced construction delivers unmatched durability that endures the test of time. Precision-engineered with a swivel featuring high-quality stainless steel components and ceramic bearings, the PolarWave 40mm offers seamless, precise spinning for peak performance on the water.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"nitro-offscreen\"\u003e\u003cstrong\u003eWhy Choose the PolarWave 40mm Sailing Block?\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"nitro-offscreen\"\u003e– Exceptional breaking load capacity of 2200kg\u003c\/div\u003e\n\u003cdiv class=\"nitro-offscreen\"\u003e– Impressive working load capacity of 1100kg\u003c\/div\u003e\n\u003cdiv class=\"nitro-offscreen\"\u003e– Long-lasting ceramic bearings\u003c\/div\u003e\n\u003cdiv class=\"nitro-offscreen\"\u003e– Available in six vibrant colours to match your style\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"nitro-offscreen\"\u003eConquer the waves and harness the wind with unshakable confidence using the PolarWave 40mm sailing block.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"PolarWave","offers":[{"title":"Black","offer_id":50567443349779,"sku":"PW40HLX","price":850.0,"currency_code":"HKD","in_stock":true},{"title":"Orange","offer_id":50567443382547,"sku":"PW40HLO","price":850.0,"currency_code":"HKD","in_stock":true},{"title":"Red","offer_id":50567443415315,"sku":"PW40HLR","price":850.0,"currency_code":"HKD","in_stock":true},{"title":"Blue","offer_id":50567443448083,"sku":"PW40HLB","price":850.0,"currency_code":"HKD","in_stock":true},{"title":"Green","offer_id":50567443480851,"sku":"PW40HLG","price":850.0,"currency_code":"HKD","in_stock":true},{"title":"Pink","offer_id":50567443513619,"sku":"PW40HLP","price":850.0,"currency_code":"HKD","in_stock":true},{"title":"White","offer_id":50567443546387,"sku":"PW40HLW","price":850.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0903\/7001\/5507\/files\/bloack-40_850_png.webp?v=1766729973"},{"product_id":"40mm-heavy-load-blocks-luminous-white","title":"40mm Heavy Load Blocks Luminous White","description":"\u003cdiv dir=\"auto\"\u003e\n\u003cstrong\u003e– Sheave Ø (mm):\u003c\/strong\u003e 40 mm\u003c\/div\u003e\n\u003cdiv dir=\"auto\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv dir=\"auto\"\u003e\n\u003cstrong\u003e– Sheave Material: \u003c\/strong\u003eStainless Steel\u003c\/div\u003e\n\u003cdiv dir=\"auto\"\u003e\n\u003cbr\u003e\u003cmeta charset=\"UTF-8\"\u003e\n\u003cstrong\u003e– Length (mm):\u003c\/strong\u003e\u003cspan\u003e58 mm\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv dir=\"auto\"\u003e\n\u003cbr\u003e\u003cstrong\u003e– Weight (g):\u003c\/strong\u003e\u003cspan\u003e 66 g\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv dir=\"auto\"\u003e\n\u003cbr\u003e\u003cstrong\u003e– Maximum Line Ø (mm):\u003c\/strong\u003e\u003cspan\u003e 12.5 mm\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv dir=\"auto\"\u003e\n\u003cbr\u003e\u003cstrong\u003e– Maximum Working Load (kg):\u003c\/strong\u003e\u003cspan\u003e1100 kg\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv dir=\"auto\"\u003e\n\u003cbr\u003e\u003cstrong\u003e– Breaking Load (kg):\u003c\/strong\u003e\u003cspan\u003e 2200 kg\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cdiv dir=\"auto\"\u003e\n\u003cbr\u003e\u003cstrong\u003e– Ceramic Bearings\u003c\/strong\u003e\u003cbr\u003e\n\u003c\/div\u003e","brand":"PolarWave","offers":[{"title":"Default Title","offer_id":50567608533267,"sku":"PW40HLW","price":920.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0903\/7001\/5507\/files\/product_1879_png.webp?v=1766729973"},{"product_id":"yc40s","title":"Ubi Maior 40mm Single Block YC Series","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003csmall\u003e\u003cspan class=\"text-muted product-attribute-name\"\u003eØ SHEAVE:\u003c\/span\u003e \u003cspan class=\"product-attribute-value\"\u003e40mm\u003c\/span\u003e\u003c\/small\u003e\u003c\/p\u003e\n\u003cp\u003e\u003csmall\u003e\u003cspan class=\"text-muted product-attribute-name\"\u003eSHACKLE:\u003c\/span\u003e \u003cspan class=\"product-attribute-value\"\u003e5mm\u003c\/span\u003e\u003c\/small\u003e\u003c\/p\u003e\n\u003cp\u003e\u003csmall\u003e\u003cspan class=\"text-muted product-attribute-name\"\u003eMAX Ø LINE:\u003c\/span\u003e \u003cspan class=\"product-attribute-value\"\u003e8mm\u003c\/span\u003e\u003c\/small\u003e\u003c\/p\u003e\n\u003cp\u003e\u003csmall\u003e\u003cspan class=\"text-muted product-attribute-name\"\u003eMAX WORKING LOAD:\u003c\/span\u003e \u003cspan class=\"product-attribute-value\"\u003e500Kg\u003c\/span\u003e\u003c\/small\u003e\u003c\/p\u003e\n\u003cp\u003e\u003csmall\u003e\u003cspan class=\"text-muted product-attribute-name\"\u003eBREAKING LOAD:\u003c\/span\u003e \u003cspan class=\"product-attribute-value\"\u003e1000Kg\u003c\/span\u003e\u003c\/small\u003e\u003c\/p\u003e\n\u003cp\u003e\u003csmall\u003e\u003cspan class=\"text-muted product-attribute-name\"\u003eLENGTH:\u003c\/span\u003e \u003cspan class=\"product-attribute-value\"\u003e72mm\u003c\/span\u003e\u003c\/small\u003e\u003c\/p\u003e\n\u003cp\u003e\u003csmall\u003e\u003cspan class=\"text-muted product-attribute-name\"\u003eWEIGHT:\u003c\/span\u003e \u003cspan class=\"product-attribute-value\"\u003e60g\u003c\/span\u003e\u003c\/small\u003e\u003c\/p\u003e","brand":"Ubi Maior","offers":[{"title":"Default Title","offer_id":51944847999251,"sku":"UMYC40S","price":560.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0903\/7001\/5507\/files\/ubi_maior_YC_block.png?v=1750344821"},{"product_id":"40mm-light-weight-blocks-with-hard-attachment","title":"Polarwave 40mm Light Weight Blocks with Hard Attachment","description":"\u003cp\u003e\u003cstrong\u003eSheave Ø (mm):\u003c\/strong\u003e 40 mm\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSheave Material:\u003c\/strong\u003e Composite\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLength (mm):\u003c\/strong\u003e 83 mm\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWeight (g):\u003c\/strong\u003e 54 g\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMaximum Line Ø (mm):\u003c\/strong\u003e 12.5 mm\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMaximum Working Load block (kg):\u003c\/strong\u003e 300 kg\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBreaking Load (kg):\u003c\/strong\u003e 700 kg\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCeramic Bearings\u003c\/strong\u003e\u003c\/p\u003e","brand":"PolarWave","offers":[{"title":"Black","offer_id":52610435252499,"sku":"PW40LWX","price":730.0,"currency_code":"HKD","in_stock":true},{"title":"Red","offer_id":52610435285267,"sku":"PW40LWR","price":730.0,"currency_code":"HKD","in_stock":true},{"title":"Orange","offer_id":52610435318035,"sku":"PW40LWO","price":730.0,"currency_code":"HKD","in_stock":true},{"title":"Green","offer_id":52610435350803,"sku":"PW40LWG","price":730.0,"currency_code":"HKD","in_stock":true},{"title":"Blue","offer_id":52610435383571,"sku":"PW40LWB","price":730.0,"currency_code":"HKD","in_stock":true},{"title":"Pink","offer_id":52610435416339,"sku":"PW40LWP","price":730.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0903\/7001\/5507\/files\/product_191-1_png_7e68459b-ac8a-41d1-92b7-5901d13dac8a.webp?v=1766729853"},{"product_id":"antal-40mm-single-stainless-steel-mini-block","title":"Antal 40mm Single Stainless Steel Mini Block","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan\u003eStainless Steel Mini blocks, single block.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"col-6 attribute fontSans-dim1-bold\"\u003e\n\u003cdiv class=\"attribute-label\"\u003eØ sheave (D)40 mm\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-6 attribute fontSans-dim1-bold\"\u003e\n\u003cdiv class=\"attribute-label\"\u003eSide bearing: Delrin balls\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-6 attribute fontSans-dim1-bold\"\u003e\n\u003cdiv class=\"attribute-label\"\u003eWeight: 62 gr\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-6 attribute fontSans-dim1-bold\"\u003e\n\u003cdiv class=\"attribute-label\"\u003eØ max line: 8 mm\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-6 attribute fontSans-dim1-bold\"\u003e\n\u003cdiv class=\"attribute-label\"\u003eSWL: 500 kg\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-6 attribute fontSans-dim1-bold\"\u003e\n\u003cdiv class=\"attribute-label\"\u003eMaterial: S.Steel\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-6 attribute fontSans-dim1-bold\"\u003e\n\u003cdiv class=\"attribute-label\"\u003eSheave material: Resin\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Antal","offers":[{"title":"Default Title","offer_id":52842965336339,"sku":"AN00301","price":485.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0903\/7001\/5507\/files\/Screenshot2025-12-25at19.54.54.png?v=1766663756"},{"product_id":"antal-40mm-single-stainless-steel-mini-block-1","title":"Antal 40mm Single Stainless Steel Mini Block","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan\u003eStainless Steel Mini blocks, single block.\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"col-6 attribute fontSans-dim1-bold\"\u003e\n\u003cdiv class=\"attribute-label\"\u003eØ sheave (D)34 mm\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-6 attribute fontSans-dim1-bold\"\u003e\n\u003cdiv class=\"attribute-label\"\u003eSide bearing: Delrin balls\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-6 attribute fontSans-dim1-bold\"\u003e\n\u003cdiv class=\"attribute-label\"\u003eWeight: 56 gr\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-6 attribute fontSans-dim1-bold\"\u003e\n\u003cdiv class=\"attribute-label\"\u003eØ max line: 8 mm\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-6 attribute fontSans-dim1-bold\"\u003e\n\u003cdiv class=\"attribute-label\"\u003eSWL: 500 kg\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-6 attribute fontSans-dim1-bold\"\u003e\n\u003cdiv class=\"attribute-label\"\u003eMaterial: S.Steel\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"col-6 attribute fontSans-dim1-bold\"\u003e\n\u003cdiv class=\"attribute-label\"\u003eSheave material: Resin\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Antal","offers":[{"title":"Default Title","offer_id":52843267653907,"sku":"AN00420","price":430.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0903\/7001\/5507\/files\/00320.webp?v=1766675675"},{"product_id":"blueshark-38mm-single-aluminum-block","title":"Blueshark 38mm Single Aluminum Block","description":"\u003cp\u003e\u003cspan\u003eAnodized aluminum high strength construction. Composite\/ball combination bearings. \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSheave 38mm \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSWL 410kgs, \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMax Line Ø 10mm, \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeight 85g\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"Blueshark","offers":[{"title":"Default Title","offer_id":52843917345043,"sku":"BS2250","price":180.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0903\/7001\/5507\/files\/20231203101652.jpg?v=1759659275"},{"product_id":"karver-kbs15-block-with-textile-shackle","title":"Karver KBS15 Block with Textile Shackle","description":"\u003cp\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cspan\u003eThe new stainless-steel KBS15 block is a 100% cruising product with an outstanding balance between price and performance.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eEquipped with a wide sheave and stainless-steel bearings, the KBS10 adapts perfectly to any situation.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eWith a working load of 600 kg, it far exceeds other blocks in its category and can handle ropes up to 12 mm.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eIts dimensions, construction method, and durability are the result of advanced eco-design engineering.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003cspan\u003eLike all our blocks, the KBS15 is a lashing block with a central attachment, meaning that even in the unlikely event of failure, the sheave remains safely secured within the textile shackle.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eThe combination of traditional mirror-polished stainless steel and modern Dyneema lashing makes for a product that is both elegant and original — simply a unique block.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeight: 0.263kg\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBoat Size: 10-110ft\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWorking Load: 1300kg\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBreaking Load: 2600kg\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eSheave Ø: 40mm\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMax Line Size: 14mm\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cmeta charset=\"UTF-8\"\u003e– Stainless-steel bearing block – rare on the market… Compare and feel the difference!\u003cbr\u003e– Textile shackle attachment – lightweight, strong, and reliable.\u003cbr\u003e– Central attachment – even in case of failure, the line remains safely secured.\u003cbr\u003e– Eco-designed – compact, durable, and built to last.\u003cbr\u003e– Wide sheave – accepts large-diameter ropes or two smaller ones.\u003cbr\u003e– Elegant design – stainless steel \u0026amp; Dyneema: a perfect mix of tradition and modernity.\u003c\/span\u003e\u003c\/p\u003e","brand":"Karver","offers":[{"title":"Default Title","offer_id":54102633087251,"sku":null,"price":1740.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0903\/7001\/5507\/files\/KBS15-LASH.jpg?v=1777623083"},{"product_id":"harken-40mm-zircon-block","title":"Harken 40mm Zircon block","description":"\u003cp\u003e\u003cspan\u003eUse the Harken Zircon blocks for precision trimming. The blocks are very efficient that you can adjust the sail and sheet tension perfectly. Harken Zircon blocks are made for jib sheets, spinnaker sheets and mainsail sheets.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe Zircon blocks are the most efficient Harken has ever made. The performance is unmatched due to the ceramic ball bearings. With the Zircon blocks the energy loss caused by friction is extremely low. Even lower than the amazing Carbo range from Harken. So especially when the breeze backs off, the Zircon blocks let you ease.\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003eZircon bearings are more than 700% stronger than stainless bearings. This becomes evident when you need to ease a sail in very light air. You feel even the slightest fluctuations in sheet load.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e \u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ctable class=\"additional-attributes w-full\"\u003e\n\u003ctbody\u003e\n\u003ctr class=\"border-b border-gray-300 last:border-b-0\"\u003e\n\u003cth class=\"col label w-1\/2 py-2 text-left text-fg-secondary font-normal product-attribute-label\" scope=\"row\"\u003eSeries\u003c\/th\u003e\n\u003ctd class=\"col data w-1\/2 py-2 pl-2 text-left product-attribute-value\"\u003eZircon\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"border-b border-gray-300 last:border-b-0\"\u003e\n\u003cth class=\"col label w-1\/2 py-2 text-left text-fg-secondary font-normal product-attribute-label\" scope=\"row\"\u003eSheaves Ø\u003c\/th\u003e\n\u003ctd class=\"col data w-1\/2 py-2 pl-2 text-left product-attribute-value\"\u003e40 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"border-b border-gray-300 last:border-b-0\"\u003e\n\u003cth class=\"col label w-1\/2 py-2 text-left text-fg-secondary font-normal product-attribute-label\" scope=\"row\"\u003eNumber of sheaves\u003c\/th\u003e\n\u003ctd class=\"col data w-1\/2 py-2 pl-2 text-left product-attribute-value\"\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"border-b border-gray-300 last:border-b-0\"\u003e\n\u003cth class=\"col label w-1\/2 py-2 text-left text-fg-secondary font-normal product-attribute-label\" scope=\"row\"\u003eBearing\u003c\/th\u003e\n\u003ctd class=\"col data w-1\/2 py-2 pl-2 text-left product-attribute-value\"\u003eBall bearing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"border-b border-gray-300 last:border-b-0\"\u003e\n\u003cth class=\"col label w-1\/2 py-2 text-left text-fg-secondary font-normal product-attribute-label\" scope=\"row\"\u003eMax rope diameter\u003c\/th\u003e\n\u003ctd class=\"col data w-1\/2 py-2 pl-2 text-left product-attribute-value\"\u003e8 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"border-b border-gray-300 last:border-b-0\"\u003e\n\u003cth class=\"col label w-1\/2 py-2 text-left text-fg-secondary font-normal product-attribute-label\" scope=\"row\"\u003eSwivel\u003c\/th\u003e\n\u003ctd class=\"col data w-1\/2 py-2 pl-2 text-left product-attribute-value\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"border-b border-gray-300 last:border-b-0\"\u003e\n\u003cth class=\"col label w-1\/2 py-2 text-left text-fg-secondary font-normal product-attribute-label\" scope=\"row\"\u003eCam\u003c\/th\u003e\n\u003ctd class=\"col data w-1\/2 py-2 pl-2 text-left product-attribute-value\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"border-b border-gray-300 last:border-b-0\"\u003e\n\u003cth class=\"col label w-1\/2 py-2 text-left text-fg-secondary font-normal product-attribute-label\" scope=\"row\"\u003eRatchet\u003c\/th\u003e\n\u003ctd class=\"col data w-1\/2 py-2 pl-2 text-left product-attribute-value\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"border-b border-gray-300 last:border-b-0\"\u003e\n\u003cth class=\"col label w-1\/2 py-2 text-left text-fg-secondary font-normal product-attribute-label\" scope=\"row\"\u003eBreaking Strength (kg)\u003c\/th\u003e\n\u003ctd class=\"col data w-1\/2 py-2 pl-2 text-left product-attribute-value\"\u003e340\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"border-b border-gray-300 last:border-b-0\"\u003e\n\u003cth class=\"col label w-1\/2 py-2 text-left text-fg-secondary font-normal product-attribute-label\" scope=\"row\"\u003eSafe Working Load (kg)\u003c\/th\u003e\n\u003ctd class=\"col data w-1\/2 py-2 pl-2 text-left product-attribute-value\"\u003e150\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":54318787985683,"sku":null,"price":595.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0903\/7001\/5507\/files\/hk2195.jpg?v=1781953985"},{"product_id":"polarwave-40mm-vortex-single-big-boat-block","title":"PolarWave 40mm Vortex Single Big Boat Block","description":"\u003cp class=\"p1\"\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cmeta charset=\"UTF-8\"\u003e\u003cstrong data-start=\"79\" data-end=\"94\"\u003eBlock type:\u003c\/strong\u003e\u003cspan\u003e Single-piece side-cheek block\u003c\/span\u003e\u003cbr data-start=\"124\" data-end=\"127\"\u003e\u003cstrong data-start=\"127\" data-end=\"147\"\u003eSheave diameter:\u003c\/strong\u003e\u003cspan\u003e 40 mm\u003c\/span\u003e\u003cbr data-start=\"153\" data-end=\"156\"\u003e\u003cstrong data-start=\"156\" data-end=\"167\"\u003eLength:\u003c\/strong\u003e\u003cspan\u003e 60.6 mm\u003c\/span\u003e\u003cbr data-start=\"175\" data-end=\"178\"\u003e\u003cstrong data-start=\"178\" data-end=\"189\"\u003eWeight:\u003c\/strong\u003e\u003cspan\u003e 51 g\u003c\/span\u003e\u003cbr data-start=\"194\" data-end=\"197\"\u003e\u003cstrong data-start=\"197\" data-end=\"215\"\u003eBody material:\u003c\/strong\u003e\u003cspan\u003e Marine-grade anodized aluminium\u003c\/span\u003e\u003cbr data-start=\"247\" data-end=\"250\"\u003e\u003cstrong data-start=\"250\" data-end=\"270\"\u003eSheave material:\u003c\/strong\u003e\u003cspan\u003e Marine-grade anodized aluminium\u003c\/span\u003e\u003cbr data-start=\"302\" data-end=\"305\"\u003e\u003cstrong data-start=\"305\" data-end=\"324\"\u003eBearing system:\u003c\/strong\u003e\u003cspan\u003e Precision PEEK roller bearings combined with zirconia ceramic side elements\u003c\/span\u003e\u003cbr data-start=\"399\" data-end=\"402\"\u003e\u003cstrong data-start=\"402\" data-end=\"417\"\u003eRivet\/core:\u003c\/strong\u003e\u003cspan\u003e Special stainless steel rivet, developed in-house by PolarWave\u003c\/span\u003e\u003cbr data-start=\"480\" data-end=\"483\"\u003e\u003cstrong data-start=\"483\" data-end=\"500\"\u003eWorking load:\u003c\/strong\u003e\u003cspan\u003e 1.1 tons\u003c\/span\u003e\u003cbr data-start=\"509\" data-end=\"512\"\u003e\u003cstrong data-start=\"512\" data-end=\"530\"\u003eBreaking load:\u003c\/strong\u003e\u003cspan\u003e 3 tons\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2 class=\"text-2xl font-semibold text-white\"\u003eProduct description\u003c\/h2\u003e\n\u003cdiv class=\"mt-6 max-w-none text-base leading-8 text-white\/72\n                [\u0026amp;_p]:mb-4\n                [\u0026amp;_ul]:space-y-3\n                [\u0026amp;_ul]:pl-0\n                [\u0026amp;_li]:list-none\n                [\u0026amp;_li]:border-l\n                [\u0026amp;_li]:border-[#d6b86b]\/35\n                [\u0026amp;_li]:pl-4\n                [\u0026amp;_strong]:text-[#f2e3b2]\n                [\u0026amp;_b]:text-[#f2e3b2]\n                [\u0026amp;_a]:text-[#f2e3b2]\"\u003e\n\u003cp\u003eThe VORTEX Line 40 mm is a high-performance, single-piece side-cheek block engineered to deliver an exceptional weight-to-working-load ratio. With its minimalistic and weight-optimized design, it is built for demanding sailing applications, including mainsheet systems, mast blocks, vang systems, and other critical onboard controls. It is also perfectly suited for dinghy vang systems, where low friction and lightweight performance are essential. Its versatile architecture makes it ideal for everything from performance racing dinghies to larger keelboats.\u003c\/p\u003e\n\u003cp\u003eCrafted from marine-grade anodized aluminum, both the block body and sheave offer outstanding strength, low weight, and superior resistance to corrosion in harsh marine environments.\u003c\/p\u003e\n\u003cp\u003eAt the heart of the VORTEX Line is a completely new bearing technology, fully developed in-house by PolarWave. Combining precision PEEK roller bearings with zirconia ceramic side elements, this advanced system minimizes friction under axial loads, delivering exceptionally smooth and efficient performance under high loads.\u003c\/p\u003e\n\u003cp\u003eRated for a working load of 1.1 tons and a breaking load of 3 tons, the VORTEX Line 40 mm is built to perform with confidence in the most demanding conditions.\u003c\/p\u003e\n\u003cp\u003eA specially engineered stainless steel rivet forms the core of the system, designed to withstand extreme forces while ensuring long-term reliability and durability.\u003c\/p\u003e\n\u003cp\u003eEngineered for sailors who demand uncompromising performance, precision, and efficiency, the VORTEX Line 40 mm delivers when it matters most.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"PolarWave","offers":[{"title":"Default Title","offer_id":54428766896403,"sku":null,"price":1730.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0903\/7001\/5507\/files\/DSCF7456-scaled.jpg?v=1784030805"},{"product_id":"ronstan-series-40-ball-bearing-orbit-block™-single-swivel","title":"Ronstan Series 40 Ball Bearing Orbit Block™, Single,Swivel","description":"\u003ch2 data-content-type=\"heading\" data-appearance=\"default\" data-element=\"main\"\u003eProduct Information\u003c\/h2\u003e\n\u003cp\u003eThe new Series 40 ball bearing Orbit Blocks™ provide the perfect balance of strength, performance, and reliability. They offer class-leading dynamic and static load ratings, the highest available in this size of performance blocks. Lightweight and strong toughened glass fibre reinforced nylon cheeks replace stainless steel straps used in traditional utility blocks - the perfect balance of performance and reliability.\u003c\/p\u003e\n\u003cp\u003eThe RF48100 Single Block features a 40mm (1 9\/16\") sheave and incorporates our 2-stage bearing system. Ball bearings minimise friction while a secondary full-contact bearing maintains low friction across the full working load range. This product does not have a locking headpost, which is only available in the multiple sheave variants. RF48100 is free swivel rotation only. The RF48100 can accommodate a maximum rope diameter of 10mm (3\/8\").\u003c\/p\u003e\n\u003ch3\u003eSPECIFICATIONS\u003c\/h3\u003e\n\u003cdiv class=\"product-spec additional-attributes-wrapper table-wrapper\"\u003e\n\u003ctable class=\"data table additional-attributes\" id=\"product-attribute-specs-table\"\u003e\n\u003ccaption class=\"table-caption\"\u003eProduct Specifications\u003c\/caption\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" data-th=\"type_of_block\" scope=\"row\"\u003eType of Block\u003c\/th\u003e\n\u003ctd class=\"col data\" data-td=\"type_of_block\"\u003eSingle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" data-th=\"dia_sheave_mm\" scope=\"row\"\u003eSheave diameter (mm)\u003c\/th\u003e\n\u003ctd class=\"col data\" data-td=\"dia_sheave_mm\"\u003e40mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" data-th=\"load_bl_kg\" scope=\"row\"\u003eB.L. (kg)\u003c\/th\u003e\n\u003ctd class=\"col data\" data-td=\"load_bl_kg\"\u003e800\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" data-th=\"load_mwl_kg\" scope=\"row\"\u003eM.W.L. (kg)\u003c\/th\u003e\n\u003ctd class=\"col data\" data-td=\"load_mwl_kg\"\u003e400\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" data-th=\"dia_rope_max_mm\" scope=\"row\"\u003eMax. Rope diameter (mm)\u003c\/th\u003e\n\u003ctd class=\"col data\" data-td=\"dia_rope_max_mm\"\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" data-th=\"weight_g\" scope=\"row\"\u003eWeight (g)\u003c\/th\u003e\n\u003ctd class=\"col data\" data-td=\"weight_g\"\u003e60\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" data-th=\"dia_pin_mm\" scope=\"row\"\u003ePin Ø (mm)\u003c\/th\u003e\n\u003ctd class=\"col data\" data-td=\"dia_pin_mm\"\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" data-th=\"product_spec_note\" scope=\"row\"\u003eNotes:\u003c\/th\u003e\n\u003ctd class=\"col data\" data-td=\"product_spec_note\"\u003eThis product does not have a locking headpost, which is only available in the multiple sheave variants. RF48100 is free swivel rotation only.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":67833620463891,"sku":"RF48100","price":283.0,"currency_code":"HKD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0903\/7001\/5507\/files\/rf48100_jpg.webp?v=1793020419"}],"url":"https:\/\/rigginghk.com\/zh-hant\/collections\/38-40mm-single-blocks.oembed","provider":"Rigging HK","version":"1.0","type":"link"}