{"product_id":"ronstan-series-30-double-ball-bearing-orbit-block-with-becket","title":"Ronstan Series 30 Double Ball Bearing Orbit Block with Becket","description":"Engineered for peak performance, this lightweight double sheave block features a high-efficiency 2-stage ball bearing system to minimise friction under heavy loads. The reinforced polymer frame and acetal components provide exceptional strength-to-weight performance for demanding marine environments. Designed with an ultra-low profile through-sheave becket, it offers secure and versatile attachment for various control lines. This block supports mainsheet systems, halyards, and vang applications on boats up to 5 metres. It delivers consistent performance across the full working load range for reliable, long-term operation.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eSheave Diameter:\u003c\/strong\u003e 30mm\u003cbr\u003e\u003cstrong\u003eBreaking Load:\u003c\/strong\u003e 900kg\u003cbr\u003e\u003cstrong\u003eMaximum Working Load:\u003c\/strong\u003e 450kg\u003cbr\u003e\u003cstrong\u003eMaximum Rope Diameter:\u003c\/strong\u003e 8mm\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 57g\u003cbr\u003e\u003cstrong\u003eSheave Material:\u003c\/strong\u003e Acetal\u003cbr\u003e\u003cstrong\u003eBearing Type:\u003c\/strong\u003e 2-stage ball bearing\u003cbr\u003e\u003cstrong\u003eFrame Material:\u003c\/strong\u003e Glass fibre reinforced Nylon\u003cbr\u003e\u003cbr\u003eItem Code. RF35212\u003cbr\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":48278044934376,"sku":"9316800404988","price":62.9,"currency_code":"AUD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/9065\/8280\/files\/9316800404988_1.jpg?v=1776722593","url":"https:\/\/boatharbourmarine.com.au\/products\/ronstan-series-30-double-ball-bearing-orbit-block-with-becket","provider":"Boat Harbour Marine","version":"1.0","type":"link"}