{"product_id":"ronstan-series-30-utility-block-ring-top","title":"Ronstan Series 30 Utility Block Ring Top","description":"\u003cp\u003eThe Ronstan Series 30 Utility Block features a single sheave with a swivel ring head. Stainless steel cheeks and Acetal sheaves deliver a long, virtually maintenance-free service life, while hollow rivets in the block head can be fitted with shackles or used to add a becket for extra purchase. Lightweight, economical, and built for reliable everyday use.\u003c\/p\u003e\u003cbr\u003e\u003cstrong\u003eType of Block:\u003c\/strong\u003e Single\u003cbr\u003e\u003cstrong\u003eSheave Diameter:\u003c\/strong\u003e 30mm\u003cbr\u003e\u003cstrong\u003eBreaking Load:\u003c\/strong\u003e 500kg\u003cbr\u003e\u003cstrong\u003eMaximum Working Load:\u003c\/strong\u003e 250kg\u003cbr\u003e\u003cstrong\u003eMaximum Rope Diameter:\u003c\/strong\u003e 10mm\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 44g\u003cbr\u003e\u003cstrong\u003ePin Diameter:\u003c\/strong\u003e 13mm\u003cbr\u003e\u003cstrong\u003eSheave:\u003c\/strong\u003e UV stabilised Acetal\u003cbr\u003e\u003cstrong\u003eCheeks:\u003c\/strong\u003e Grade 316 stainless steel\u003cbr\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e Vang, cunningham and trapeze retriever systems on dinghies; leech line tackles, bunk adjusters on larger yachts\u003cbr\u003e\u003cbr\u003eItem Code. RF443","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":48560365338856,"sku":"9316800046539","price":26.9,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/9065\/8280\/files\/9316800046539_1.jpg?v=1778836131","url":"https:\/\/boatharbourmarine.com.au\/products\/ronstan-series-30-utility-block-ring-top","provider":"Boat Harbour Marine","version":"1.0","type":"link"}