{"product_id":"ronstan-series-45-single-core-block-with-swivel-shackle-head","title":"Ronstan Series 45 Single Core Block with Swivel Shackle Head","description":"The Ronstan Series 45 Core Block is a high-performance single block with a swivel shackle head, engineered for both static and dynamic sailing loads. It features a robust 2-stage bearing system that significantly reduces friction under varying load conditions. The construction includes durable aluminium alloy cheek plates and a precision-engineered sheave for smooth line operation. Designed for reliability, this block is ideal for sheets, halyards, and control line applications in both cruising and racing environments. The central hub provides a versatile becket take-off point for added functionality.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eType of Block:\u003c\/strong\u003e Single\u003cbr\u003e\u003cstrong\u003eSheave Diameter:\u003c\/strong\u003e 45mm\u003cbr\u003e\u003cstrong\u003eBreaking Load:\u003c\/strong\u003e 1400 kg\u003cbr\u003e\u003cstrong\u003eMaximum Working Load:\u003c\/strong\u003e 700 kg\u003cbr\u003e\u003cstrong\u003eMax Rope Diameter:\u003c\/strong\u003e 12mm\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 104g\u003cbr\u003e\u003cstrong\u003ePin Diameter:\u003c\/strong\u003e 5mm\u003cbr\u003e\u003cstrong\u003eMaterials:\u003c\/strong\u003e Aluminium Alloy, Acetal, Grade 316 Stainless Steel\u003cbr\u003e\u003cbr\u003eItem Code. RF44100\u003cbr\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":48278044180712,"sku":"9316800466153","price":85.9,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/9065\/8280\/files\/9316800466153_1.jpg?v=1776722549","url":"https:\/\/boatharbourmarine.com.au\/products\/ronstan-series-45-single-core-block-with-swivel-shackle-head","provider":"Boat Harbour Marine","version":"1.0","type":"link"}