11T Features: -Pliers.-Self energizing lower jaw provides three times more gripping power.-No slipping or stripping.-Provides maximum torque without requiring heavy input pressure.-One handed triggerless release.-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.-Hardened teeth designed to grip from any angle.-Hex key adjusting screw tightens to adjust pressure and draw materials together. Construction: -Constructed of high grade heat treated alloy steel for maximum toughness and durability.