2.Made of high -quality alloy steel. The hardness of working surface reaches HRC55-60.
3.Easy clamping,effivient and labor-saving,can reduce the labor intensity of employees.
4.The high force mechanism can set the clamping force at any timem,andrepeated use many times to maintain a considerable clamping force,and consistent accuracy,and designed to have clamping force overloadprotection device
5.Big opening,it is suitable for large-scale work to do precision machine.
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