Description Antal Swiveling Halyard Block D100 SHB (Swivelling Halyard Block) sheave Ø100 Technical Description Features Metric American sheave (D) 3.94 in 100 mm SWL 7716.18 lb 3500 kg line 0.63 in 16 mm A 1.77 in 45 mm B 5.91 in 150 mm C 1.77 in 45 mm Fixing screws 0.16 x 0.39 in 4 x Ø10 mm Weight 2.58 lb 1170 g