Description Antal 180mm Web Block Technical Description Features Metric American Ø sheave (D) 7.09 in 180 mm Side bearing - Delrin balls Radial bearing - Composite Fibre Weight 5.73 lb 2.60 kg Ø max line 0.94 in 24 mm SWL 19841.6 lb 9000 kg Material - Aluminum Sheave material - Aluminum