We make Crescent locking pliers to an exacting standards that result in improved durability and long-term performance. They meet stringent ASME standards B107.24 and B107.36, as applicable, including proven strength and maximum jaw opening capacity. All Crescent locking pliers have a cushion grip trigger for easy release and a hex key slot in the tightening screw for when additional leverage is necessary. The head and body of these pliers have the narrow profiles necessary for work in tight and confined spaces.