For holding sheet metal during bending, forming and crimping Guarded release trigger protects against accidental release also enabling the tool to be quickly unlocked Heat treated, wear resistant serrated and hardened jaws provide a firm grip from any angle Made from high grade chrome molybdenum steel to withstand heavy duty working conditions such as welding and hammer strikes Adjustable screw exters pressure that is maintained even after repetitive use, Weight: 1.09 pounds, Manufacturer: Eclipse Professional Tools