Description Antal 80mm OPF Stand-Up Block U-Bolt Technical Description Features Metric American Ø sheave (D) 3.15 in 80 mm Weight 1.19 lb 540 g Ø max line 0.55 in 14 mm SWL 4850.16 lb 2200 kg Fixing screws 0.08 x 0.39 in 2 x Ø10 mm Ø U bolt base 2.48 in 63 mm U bolt Mod. - 7110 Side bearing - Delrin balls Radial bearing - Composite Fibre Material - Aluminum Sheave material - Resin