This vise needs improvement. In general, the vise is good. in specification for squareness and the finish is very good. The biggest problem is the clamping screw. I made a small batch of parts and after about 20 uses the hex head of the screw started to peel off. I made sure I had a well fitting hex key (one not included). The screw is tapered, so it cannot be replaced with a regular head screw. I haven't decided yet whether to keep it or send it back. I have a few days to decide.