Description Antal 220mm Web Block Technical Description Features Metric American Ø sheave (D) 8.66 in 220 mm Side bearing - Delrin balls Radial bearing - Composite Fibre Weight 16.87 lb 7.65 kg Ø max line 1.18 in 30 mm SWL 28660.1 lb 13000 kg Material - Aluminum Sheave material - Aluminum