Ronstan Series 15 Ball Bearing Utility Block – Pivoting Lead Block

Series 15 Ball Bearing Utility Block – Pivoting Lead BlockFeatures:Smallest and lightest ball bearing block availablePrecision molded acetal sheave running on stainless steel ball bearings provide high performance & low frictionSingle loop head blocks include an O-ring to separate running line from head lashing or fixingFeaturing a 4-point fastening for load distribution and low profile. Can be mounted without disassembly.Applications:Dinghy control linesVangs, cunninghams and tweakersShock cord tensioning systemsMaterials:BB sheaves: UV stabilized acetalBall bearings: Stainless steelCheeks: Grade 316 stainless steel