Series 20 Ball Bearing Block - Triple - Becket - 2-Axis Shackle HeadFeatures: 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 Two-Way head can be fixed at 0deg or 90deg; Applications: Dinghy control lines Dinghy vangs Cunninghams Traveller controls; 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; Specifications:Sheave : 20mm(3/4")Max. Rope : 6mm(1/4")Pin : 4mm(5/32")M.W.L.: 400kg(880lbs)B. L.: 850kg(1,870lbs)Weight: 64g(2.3oz) - cis2:mm5mnJlm -