Very easy to use clamp that fits easily into tight places. Keeps your face frame joints flush while driving the screws. Features a large pad that mates up perfectly with the recess in the p1 Portable Pocket-Hole Jig. Simple screw adjustment for opening and clamping pressure. The Japanese style release lever is easy to use one handed and will release easily at higher clamping pressures. The release lever has also been rubberized for easy release. Also available in a smaller 6-inch version.