Description Antal OPF Block D080 Single + Long Head D08 L14 OPF series, single block sheave Ø80 Technical Description Features American Metric Ø sheave (D) 3.15 in 80 mm SWL 4850.17 lb 2200 kg Ø 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