1. It is one of main attchments for milling, drilling machine, and it is particularly suitable for the finishing of high precision parts.

2. The accuracy of vice (parallelism and squareness) is 0.025mm/100mm.

3. The special segment in the movable jaw forces the vertical pressure downward when the horizontal pressure works.

So, this jaw does not lift the workpiece.

4. It has four positions allow extra capacity to change opening of jaw.