Ronstan Series 20 Ball Bearing Block- Single, Stand-Up Loop Top [RF20141] Brand_Jabsco This makes upgrading older instruments

This makes upgrading older instruments a breeze

Diameter:29"

with the fenders their ideal position

For recreational use only

Ronstan Series 20 Ball Bearing Block- Single, Stand-Up Loop Top [RF20141] Brand_Jabsco This makes upgrading older instrumentsSeries 20 Ball Bearing Block Single, Stand Up Loop Top Features: Low friction High static and dynamic load capacity Lightweight Precision molded Acetal sheaves running on stainless steel or Torlon ball bearings provide high performance & low friction. Applications: Dinghy control lines Dinghy vangs Cunninghams Traveler controls Materials: Stainless steel ball bearings UV stabilized Acetal sheave Grade 316 stainless steel load strap and head fitting