Features and Benefits: 20% Reduced Hand Span Helps Provide More Control (10" And 11" Only); Self-energizing lower jaw provides up to 3X more gripping power than traditional locking pliers, with no slipping or stripping (7CR); One-handed, triggerless release is easier to open than traditional locking pliers; Hex adjusting screw for adjusting pressure and work fit; Redesigned tactile grip zone helps improve user control and is suited for high-temperature applications; These fast release locking pliers set are built with Heat treated alloy steel for maximum durability. Features an easy to open, no-trigger release ansd hardened teeth Designed to grip from any angle. All tools in the kit feature a redesigned tactile grip for improved control.