Very good vise for the price. I was also having trouble moving the spinning ball so I took the suggestions from other posts and sprayed it with WD and loosened the ball screw. Hey worked like a charm. Like I said, big little vise. There were no instructions for this, so I had to figure it out myself. I've had vices before, but they were larger and not particularly related to them. I have to thank Revain for suggesting this tool. I looked at other small vices, but the reviews on this one won meβ¦