Large opening width at the same level, low weight, and high performance Operator controllable rotation speed Use a special high-capacity cylinder Can rotate clockwise and counterclockwise 360 degrees freely The use of special rotating gears extends product life and reduces maintenance costs OEM Service available 3+2 4+3 5+4 fingers. The pin is made of 42CrMo alloy steel, with a built-in oil channel, high strength, and high hardness.