Description Antal OPF Block D060 Single + Long Head D06 L19,5 OPF series, single block sheave Ø60 Technical Description Features American Metric Ø sheave (D) 2.36 in 60 mm SWL 1763.70 lb 800 kg Ø 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