Fast Release is 2 times easier to open, has a no-pinch release, and offers more finger room. 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 alloy steel for maximum toughness and durability. Hardened teeth are designed to grip from any angle.