{"product_id":"ronstan-rf285-series-30-utility-block-cheek-curved-base","title":"Ronstan RF285 Series 30 Utility Block – Cheek, Curved Base","description":"\u003cp\u003e\u003cstrong\u003eSeries 30 Utility Block- Cheek, Curved Base\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eLightweight durable construction\u003c\/li\u003e\n\u003cli\u003eEconomical\u003c\/li\u003e\n\u003cli\u003eMaintenance free\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eProduct Information:\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eStainless steel cheeks and Acetal sheaves ensure a long service life with virtually no maintenance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eVang, cunningham and trapeze retriever systems on dinghies\u003c\/li\u003e\n\u003cli\u003eLeech line tackles, bunk adjusters etc on larger yachts\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eMaterials:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eU.V. stabilized Acetal sheaves\u003c\/li\u003e\n\u003cli\u003eGrade 316 stainless steel cheeks\u003c\/li\u003e\n\u003c\/ul\u003e \u003c!--- cis2:m2lsl5xp ---\u003e\n\u003cp\u003e\u003cstrong\u003eRonstan RF285 Series 30 Utility Block – Cheek, Curved Base\u003c\/strong\u003e is a lightweight, durable pulley block for dinghy and larger yacht control systems. Built with Grade 316 stainless steel cheeks and U.V.-stabilized Acetal sheaves, this utility block provides long service life with virtually no maintenance. Its curved-base cheek design makes it a practical choice for compact rigging applications where dependable line handling and economical construction matter.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eUse the Ronstan Series 30 Utility Block for vang, cunningham, and trapeze retriever systems on dinghies. It is also suited to leech line tackles, bunk adjusters, and similar applications on larger yachts. The combination of stainless steel cheeks and Acetal sheaves supports reliable use in marine rigging environments while helping reduce maintenance requirements over the life of the block.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeature: Lightweight durable construction\u003c\/strong\u003e supports practical installation and dependable everyday use in marine control systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeature: Economical design\u003c\/strong\u003e provides a cost-conscious option for a variety of dinghy and yacht rigging applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeature: Maintenance-free operation\u003c\/strong\u003e helps minimize routine upkeep during normal use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeature: U.V.-stabilized Acetal sheaves\u003c\/strong\u003e are designed for long service life in the specified applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeature: Grade 316 stainless steel cheeks\u003c\/strong\u003e provide the specified durable cheek construction.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eProduct Details:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Ronstan\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e RF285\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Series 30 utility block\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e Cheek with curved base\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSheave material:\u003c\/strong\u003e U.V.-stabilized Acetal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCheek material:\u003c\/strong\u003e Grade 316 stainless steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntended applications:\u003c\/strong\u003e Vang, cunningham, and trapeze retriever systems on dinghies; leech line tackles and bunk adjusters on larger yachts\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cp\u003eChoose the Ronstan RF285 Series 30 Utility Block for a straightforward, durable solution to supported dinghy and yacht rigging applications.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eSEO META DESCRIPTION:\u003c\/strong\u003e Shop the Ronstan RF285 Series 30 Utility Block with curved base, Acetal sheave, and Grade 316 stainless steel cheeks for marine rigging.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eLightweight durable construction supports practical installation and dependable everyday use in marine control systems.\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eEconomical design provides a cost-conscious option for dinghy and yacht rigging applications.\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eMaintenance-free operation helps minimize routine upkeep during normal use.\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eU.V.-stabilized Acetal sheaves are designed for long service life in the specified applications.\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eGrade 316 stainless steel cheeks provide the specified durable cheek construction.\u003c\/li\u003e\u003c\/ul\u003e\u003cstyle\u003etable.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }\u003c\/style\u003e\n\u003ctable class=\"productattributes\"\u003e\n\u003cthead\u003e\u003ctr\u003e\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\u003ctd\u003eTruck Freight: No\u003c\/td\u003e\u003c\/tr\u003e\n\u003ctr\u003e\u003ctd\u003eOversized: No\u003c\/td\u003e\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cbr\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":44881642029145,"sku":"72300","price":42.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/1818\/2489\/files\/72300XL.jpg?v=1789190635","url":"https:\/\/www.marinepartsonly.com\/products\/ronstan-rf285-series-30-utility-block-cheek-curved-base","provider":"Marine Parts Only","version":"1.0","type":"link"}