Strong and sturdy pulley The hooks are forged from special steel and have a snag stop for safety. The sheave is made of metal, and the 2.0 inches (50 mm), 3.9 inches (75 mm), 3.9 inches (100 mm), and 4.9 inches (125 mm) are equipped with oilless metal (sintered oil bearings). Please use the snatch with the side plate closed; Car diameter: 7.9 inches (200 mm); Groove width: 1.0 inches (25 mm); Working load (ton): 1.2 inches (4 mm); Total width: 22.6 inches (575 mm); Total width: 8.1 inches (205 mm); Thickness: 3.0 inches (78 kg); Shaft diameter: 1.0 inches (3 inches (3 inches (3 mm); Height: 2 inches (4 inches (5 mm).