38mm Block Sin Ali Sheave O/Top R1201

Hi Performance Bearing Blocks - These stainless steel ballrace blocks are suitable for any situation where extreme loads are applied on yachts, dinghys cascade system halyards, day boat centreboard hoists, backstay tensioners and industrial applications. Block construction features an all stainless steel body and axle with a narrow sheave, precision machines to match the ballrace which offers very low friction under heaviest loads.