Description Double Swivel Block CNC machined roller / ball bearing blocks Torlon rollers. Technical Description Features Metric American Sheave Diameter 2.24 in 57 mm Rope up to 0.56 in 14.28 mm Length 4.92 in 125 mm Width 1.77 in 45 mm Working Load 2600 lb 1179.34 Kg Breaking Load 3400 lb 1542.21 Kg Weight 0.39 lb 178.60 g