{"product_id":"ronstan-series-25-utility-block-single-swivel-shackle-head","title":"Ronstan Series 25 Utility Block - Single - Swivel Shackle Head – Marine Boat Replacement Part","description":"\u003cp\u003e\u003cstrong\u003eRonstan Series 25 Utility Block - Single - Swivel Shackle Head – 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 25 Utility Block™ - Single - Swivel Shackle Head 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. Features: Lightweight durable construction Economical Maintenance free Applications: Vang, cunningham and trapeze retriever systems on dinghies Leech line tackles, bunk adjusters, etc on larger boats Materials: U.V. stabilized acetal sheaves Grade 316 Stainless Steel cheeks Specifications: Sheave Ø: 25mm(1\") Max. Rope Ø: 6mm(1\/4\") Pin Ø: 4mm(5\/32\") M.W.L.: 150kg(330lbs) B. L.: 300kg(660lbs) 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":42612890697817,"sku":"55259","price":21.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/1818\/2489\/files\/ronstan-series-25-utility-block-single-swivel-shackle-head-2709771.jpg?v=1761801916","url":"https:\/\/www.marinepartsonly.com\/products\/ronstan-series-25-utility-block-single-swivel-shackle-head","provider":"Marine Parts Only","version":"1.0","type":"link"}