Functions:

1. Turn the handle right to about 100 degrees then lock the upper blade;

2. Through the rotation of the woodruff key in the medial of the main plate, the casual blades will be knocked better.

3. with a hook on the mail plate to prevent blade slipping.

4. having limit screw when release.

5. Scale move to the left while adjust the height with each cell 0.10.

6. Through chrome surface, blackening processing, not easy to rust

7. A part will have heat-treatment.

 We also have a various of clampers / clamping device for your selection.