This vise is mounted on a Grizzly G0619 mill/drill or SX3 machine with a 6x21 table. The size is almost right, I wouldn't want anything bigger or taller. Of these vises, they certainly take up a lot of vertical space. The vises feel well made and look good. The jaw opening is 4 inches and the stroke is very smooth. The jaw height is fairly low, so only the short parallels don't protrude from the top. The rotation is very smooth, the degree scale is easy to read. The bottom of the vise has aβ¦