{"product_id":"ronstan-rf15202-series-15-double-ball-bearing-utility-block-with-loop-head","title":"Ronstan RF15202 Series 15 Double Ball Bearing Utility Block with Loop Head","description":"\u003cp\u003e\u003cstrong\u003eSeries 15 Ball Bearing Utility Block - Double, Loop Head\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSmallest and lightest ball bearing block available\u003c\/li\u003e\n\u003cli\u003ePrecision molded acetal sheave running on stainless steel ball bearings provide high performance  low friction\u003c\/li\u003e\n\u003cli\u003eSingle loop head blocks include an O-ring to separate running line from head lashing or fixing\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eApplications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDinghy control lines\u003c\/li\u003e\n\u003cli\u003eVangs, cunninghams and tweakers\u003c\/li\u003e\n\u003cli\u003eShock cord tensioning systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eMaterials:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBB sheaves: UV stabilized acetal\u003c\/li\u003e\n\u003cli\u003eBall bearings: Stainless steel\u003c\/li\u003e\n\u003cli\u003eCheeks: Grade 316 stainless steel\u003c\/li\u003e\n\u003c\/ul\u003e \u003c!--- cis2:m2lsl5xp ---\u003e\n\u003cp\u003e\u003cstrong\u003eRonstan RF15202 Series 15 Ball Bearing Utility Block\u003c\/strong\u003e is a compact double block designed for sailors, riggers, and dinghy owners who need smooth, low-friction control-line performance in a lightweight format. Its loop head supports practical installation for a range of small-boat rigging applications, including dinghy control lines, vangs, cunninghams, tweakers, and shock cord tensioning systems.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003eThe precision-molded acetal sheaves run on stainless steel ball bearings to support high-performance, low-friction operation. This construction helps the block handle the repeated movement associated with control lines and tensioning systems while maintaining a compact profile. The single loop head design includes an O-ring that separates the running line from the head lashing or fixing, helping organize the connection point during installation and use.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeature: Double ball bearing utility block.\u003c\/strong\u003e Provides two sheaves in a compact format for small-boat control-line systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeature: Precision-molded acetal sheaves.\u003c\/strong\u003e The UV-stabilized acetal construction supports smooth, low-friction line movement.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeature: Stainless steel ball bearings.\u003c\/strong\u003e Designed to provide high-performance operation within the Series 15 block format.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeature: Loop head with O-ring.\u003c\/strong\u003e Separates the running line from head lashing or fixing for a practical rigging connection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFeature: Compact and lightweight design.\u003c\/strong\u003e Well suited to dinghy rigging and other applications where space and weight are important considerations.\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\u003eModel:\u003c\/strong\u003e RF15202\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProduct type:\u003c\/strong\u003e Series 15 double ball bearing utility block with loop head\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSheave material:\u003c\/strong\u003e UV-stabilized acetal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBearing material:\u003c\/strong\u003e Stainless steel\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\u003eApplications:\u003c\/strong\u003e Dinghy control lines, vangs, cunninghams, tweakers, and shock cord tensioning systems\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cp\u003eChoose the Ronstan RF15202 for a dependable, space-conscious solution for small-boat control lines and related sailing rigging applications.\u003c\/p\u003e\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eSEO Meta Description:\u003c\/strong\u003e Shop the Ronstan RF15202 double ball bearing utility block with loop head for smooth, low-friction performance in dinghy and small-boat rigging.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eDouble ball bearing utility block for compact small-boat control-line systems.\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003ePrecision-molded UV-stabilized acetal sheaves support smooth, low-friction operation.\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eStainless steel ball bearings provide high-performance block operation.\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eLoop head includes an O-ring to separate the running line from head lashing or fixing.\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eGrade 316 stainless steel cheeks provide the specified block construction.\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eSuitable for dinghy control lines, vangs, cunninghams, tweakers, and shock cord tensioning systems.\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":44881665785945,"sku":"71027","price":40.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/1818\/2489\/files\/71027XL.jpg?v=1789193140","url":"https:\/\/www.marinepartsonly.com\/products\/ronstan-rf15202-series-15-double-ball-bearing-utility-block-with-loop-head","provider":"Marine Parts Only","version":"1.0","type":"link"}