Description Antal Swivel OPF Block D60+Snap OPF series, single block sheave Ø80 Technical Description Features Metric American sheave (D) 3.15 in 80 mm SWL 4850.17 lb 2200 kg max line 0.55 in 14 mm Shackle Mod. - 008HR Side bearing - Delrin balls Sheave material - Resin Radial bearing - Composite Fibre Material - Aluminum Weight 0.75 lb 340 g