For clamping portable pocket hole jigs to material up to 19mm thick.|35mm Clamping Capacity for securing materials up to 19mm thick.|45mm Clamping Depth perfect for narrow width materials. |960Nm Concentric Clamping Force ensures jig is properly secured to material.|Swivelling Jaws provides even clamping pressure on out of square and uneven material.|Quick-Release Ergonomic Handle for fast clamping and releasing, with thumb screw adjustment for different material thicknesses.|Steel Construction for high clamping forces and durability.