Locking C Clamps reach into places where ordinary clamps cannot be used. Fitted with regular tips they are ideal for car body work, welding and sheet metal work. One handed operation, set and forget clamp pressure. Length: 150mm (6in) Throat Depth: 32mm (1.1/4in) Capacity: 54mm (2in) Automatic adjusting curved jaw locking pliers. Faster, stronger and easier to use than other pliers Lock on any size and traditional release level and adjustment screw No slip texture grip and easy squeeze release lever Set and forget set desired clamp pressure, from slight to extreme and jaws self-adjust to any size with equal grip pressure