This clamp makes pocket-hole joints as easy to clamp as they are to make. One side of the adjustable locking plier clamp is formed into a pin that mates perfectly into a 3/8" Pocket hole, and the other side has a swivel pad that allows the clamp to Align perfectly with the mating surface. Comfort grips eliminate pinching when releasing the clamp. Once you try the race you will wonder how you've been doing pocket-hole joints without it. Also great for assembling all types of box joints. Now with Automaxx technology It is the quick and easy way to hold pocket-hole joints at 90 degrees during project assembly.Clamp Body : Highly durable, all-metal construction