IRWIN VISE-GRIP Fast Release Curved Jaw Locking Pliers, 10", 11T Self-energizing lower jaw provides 3X more gripping power than traditional locking pliers, with no slipping or stripping Provides maximum torque without requiring heavy input pressure  jaw mechanism naturally grips tighter as more torque is applied One-handed, triggerless release is 2X easier to open than traditional locking pliers Anti-pinch, non-slip ProTouch Grips provide comfort, control, and less hand fatigue Curved jaw puts tremendous pressure on four points of any style nut or bolt head, making it perfect for any application that requires maximum torque Fast Release is 2x easier to open, has a no-pinch release, and offers more finger room Curved jaw designed for use on Square, flat, round or hex surfaces. The no-slip ProTouch grip provide comfort and leverage while reducing vibrations and hand fatigue. Self energizing lower Jaw is Ideal for tightening, clamping, twisting and turning and provides maximum grip 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