Overview Reviews Similar Products –> Product Description Series 20 Ball Bearing Block – Triple – 2-Axis Shackle Head 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 Two-Way head can be fixed at 0 or 90 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: 62g(2.2oz) Product Videos Custom Field Product Reviews Write a Review Write a Review Ronstan Ronstan Series 20 ball Bearing Block – Triple – 2-Axis Shackle head Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *