The KREG KHCRA Automaxx 5 in. C X 5 in. D Pock-It Hole Right Angle Clamp is a heavy-duty metal and steel clamp designed for woodworking. With a jaw size of 5 inches, it can hold materials securely in place while you work. The clamp's unique design allows it to fit into pocket holes, making it ideal for use with Kreg jigs. The clamp can hold up to 450 lbs of pressure and comes with one piece.