Description Antal 80mm OPF Halyard Block Vertical Fix Technical Description Features Metric American Length (L) 5.55 in 141 mm Width (W) 1.06 in 27 mm Height (H) 4.06 in 103 mm Ø sheave (D) 3.15 in 80 mm Weight 0.60 lb 270 g Ø max line 0.55 in 14 mm A 1.18 in 30 mm SWL 4850.16 lb 2200 kg Fixing screws 0.08 x 0.39 in 2 x Ø10 mm Side bearing - Delrin balls Material - Aluminum Sheave material - Resin