Series 20 Ball Bearing Block - Double - 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 Ø: 20mm(3/4') Max. Rope Ø: 6mm(1/4') PinØ: 4mm(5/32') M.W.L.: 350kg(770lbs) B. L.: 700kg(1,540lbs) Weight: 42g(1.5oz)