Series 20 Ball Bearing Block - Triple - 2-Axis Shackle HeadFeatures:Low frictionHigh static and dynamic load capacityLightweightPrecision molded Acetal sheaves running on stainless steel or Torlon® ball bearings provide high performance & low frictionTwo-Way head can be fixed at 0° or 90°Applications:Dinghy control linesDinghy vangsCunninghamsTraveller controlsMaterials:Stainless steel ball bearingsUV Stabilized Acetal sheaveGrade 316 stainless steel load strap and head fittingImpact and UV resistant, fiber reinforced Nylon cheeksSpecifications:Sheave Ø: 20mm(3/4")Max. Rope Ø: 6mm(1/4")PinØ: 4mm(5/32")M.W.L.: 400kg(880lbs)B. L.: 850kg(1,870lbs)Weight: 62g(2.2oz)