The quality disappointed me a bit. I have a similar cost suction cup vise but they are much better made. The movement of the main ball and the rotation of the base in this vise is rough and imprecise, making it difficult to quickly fine-tune the angle. The "leg" on the screw clamp is knurled metal, a poor choice for clamping onto a surface you don't want to scratch. In addition, the set screw in the post, which is designed to align with the groove in the screw post, is too low, so this load isโฆ