Fast Release is 2 times easier to open, has a no-trigger release, and offers one hand operation. Ideal for tightening, clamping, twisting and turning. Turn screw to adjust pressure and fit work. Stays adjusted for repetitive use. Hardened teeth are designed to grip from any angle. Constructed of high-grade heat-treated alloy steel for maximum toughness and durability. The no-slip ProTouch grip provides comfort and leverage while reducing vibrations and hand fatigue.