This C.H. Hanson clamp is built to last a lifetime. It is made from high-grade alloy steel for maximum toughness & durability. This clamp has a nickel-plated finish, which resists rust & corrosion. The clamp features a traditional release lever, which allows the clamp to be released even at a high pressure. The traditional adjustment screw allows the clamp to fit to various sizes & pressures. The shape of this Locking C Clamp allows reaching into places where ordinary clamps cannot be used. It securely locks material in place. Meets all ASME product specifications. The CHH71100 Locking C Clamp has a length of 275mm (11in).