Unique clamp designed specifically for Pocket-Screw Joinery. Used primarily for securing individual joints while Pocket-Screws are being driven. The large face of the clamp keeps the joint perfectly flush. Clamp can also be used to secure portable Kreg Jigs to the work piece. Best for a majority of Pocket-Screw applications. 3-Inch reach, will handle work pieces up to 2-3/4-Inch thick.