Description Antal OPF Block D060 Single + Long Head D06 L19,5 OPF series, single block sheave Ø60 Technical Description Features Metric American sheave (D) 2.36 in 60 mm SWL 1763.70 lb 800 kg max line 0.47 in 12 mm Shackle Mod - 006SS Side bearing - Delrin balls Sheave material - Resin Radial bearing - Composite Fibre Material - Aluminum Weight 0.35 lb 160 g