Fast release is two times easier to open, has a no-trigger release, and offers one hand operation; includes convenient wire cutter. Curved jaw puts tremendous pressure on four points of any style nut or bolt head. The no-slip ProTouch grip provides comfort and leverage while reducing vibrations and hand fatigue. Ideal for tightening, clamping, twisting and turning. Turn screw to adjust pressure and fit work. Stays adjusted for repetitive use. Constructed of high-grade heat-treated alloy steel for maximum toughness and durability. Hardened teeth are designed to grip from any angle