Series 20 Ball Bearing Block, Double In-Line

Series 20 Ball Bearing Block - Double, In-Line. 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. Traveller controls. Dinghy barber haulers. Spinnaker pole launching systems Materials: Stainless Steel ball bearings. UV stabilized Acetal sheave. Grade 316 Stainless Steel load strap and head fitting. Impact and UV resistant, fiber reinforced Nylon cheeks.