{"product_id":"ronstan-series-30-block-single-loop-top","title":"Ronstan Series 30 Block - Single - Loop Top – Marine Boat Replacement Part","description":"\u003cp\u003e\u003cstrong\u003eRonstan Series 30 Block - Single - Loop Top – Marine Boat Replacement Part\u003c\/strong\u003e is organized for lighting \u0026amp; visibility shoppers who need a clear, professional marine parts buying experience.\u003c\/p\u003e\u003cp\u003eSeries 30 Block - Single - Loop Top Features: Maintenance free Economical Lightweight durable construction Stainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance Hollow rivets in the block heads can be fitted with shackles, which can also be used to add a becket for extra purchase Applications: Vang, cunningham and trapeze retriever systems on dinghies Leech line tackles, bunk adjusters etc on larger yachts Materials: UV Stabilized Acetal sheave Grade 316 stainless steel cheeks Specifications: Sheave Ø: 29mm(1-1\/8\") Max. Rope Ø: 8mm(5\/16\") M.W.L.: 300kg(660lbs) B. L.: 600kg(1,320lbs) Weight: 20g(0.7oz)\u003c\/p\u003e\u003ch3\u003eFitment \u0026amp; Product Details\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eBrand \/ Manufacturer: Ronstan\u003c\/li\u003e\n\u003cli\u003eMaterial: stainless steel\u003c\/li\u003e\n\u003c\/ul\u003e\u003cul\u003e\n\u003cli\u003eSearch-optimized by brand, system, part type, and fitment cues.\u003c\/li\u003e\n\u003cli\u003eVerify compatibility with your original part number, engine model, and application before ordering.\u003c\/li\u003e\n\u003cli\u003eBuilt for boat owners, e-commerce shoppers, and professional marine service teams.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":42614961766489,"sku":"55161","price":12.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/1818\/2489\/files\/ronstan-series-30-block-single-loop-top-3716762.jpg?v=1761257431","url":"https:\/\/www.marinepartsonly.com\/products\/ronstan-series-30-block-single-loop-top","provider":"Marine Parts Only","version":"1.0","type":"link"}