{"product_id":"ronstan-series-20-ball-bearing-triple-block-with-becket-shackle","title":"Ronstan Series 20 Ball Bearing Triple Block with Becket Shackle","description":"Engineered for high-performance sailing, the Ronstan Series 20 Ball Bearing Triple Block offers exceptional efficiency for demanding rigging systems. This compact block features precision-moulded Acetal sheaves paired with stainless steel ball bearings to ensure minimal friction under load. Built to withstand harsh marine environments, it utilizes a UV-stabilised sheave and a durable Grade 316 stainless steel load strap. The versatile two-way head can be locked at 0 or 90 degrees to suit various installation requirements. Ideally suited for powerful vang systems on dinghies and rig tensioning on high-speed skiffs, this block delivers reliable static and dynamic load capacity. Its lightweight, fibre-reinforced Nylon construction provides strength without adding unnecessary weight to your setup.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eType:\u003c\/strong\u003e Triple Block with Becket\u003cbr\u003e\u003cstrong\u003eSheave Diameter:\u003c\/strong\u003e 20mm\u003cbr\u003e\u003cstrong\u003eBreaking Load:\u003c\/strong\u003e 850kg\u003cbr\u003e\u003cstrong\u003eMaximum Working Load:\u003c\/strong\u003e 400kg\u003cbr\u003e\u003cstrong\u003eMaximum Rope Diameter:\u003c\/strong\u003e 6mm\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.064kg\u003cbr\u003e\u003cstrong\u003ePin Diameter:\u003c\/strong\u003e 4mm\u003cbr\u003e\u003cstrong\u003eMaterials:\u003c\/strong\u003e Stainless steel, Acetal, Nylon\u003cbr\u003e\u003cbr\u003eItem Code. RF20312\u003cbr\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":48278043394280,"sku":"9316800255580","price":64.9,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/9065\/8280\/files\/9316800255580_1.jpg?v=1776722503","url":"https:\/\/boatharbourmarine.com.au\/products\/ronstan-series-20-ball-bearing-triple-block-with-becket-shackle","provider":"Boat Harbour Marine","version":"1.0","type":"link"}