The IRWIN Quick-Grip Xtreme Pressure Clamps can be operated with a single hand and offer a clamping force of 250kg. A tool-free, Quick-Change function allows the jaws to be reversed to perform a spreading action. Features longer length jaws with a unique swivelling action to keep constant pressure on uneven surfaces. They also have a bar rest to allow you to place larger items in the clamping jaws hands-free. Enhance your clamps with a wide range of Quick-Grip Clamp Accessories listed below. Also available from buyaparcel .com Irwin Heavy Duty Clamp Coupler Q/G1988931 Irwin Hold Down Jig Table Clamping Q/G1988932 Irwin Wide Pads Q/G1988933 Irwin 90 Corner Clamp Q/G1988935 Irwin Clamp Stand Q/G1988936.