* Locking mechanism helps leave both hands free when clamping, helping to eliminate squeezing action and general hand fatigue when manipulating. * Tip of release lever projects at end of handle for a quick, no-pinch, powerful release especially when tools are firmly locked. * Spring loaded release lever is out of the way when handling. * Drop forged jaws and rugged tooth profile for durability and toughness. * Large diameter of rivets to help permit secure joints adding to the durability and robustness of the tools. * Piano wire spring for smooth and efficient jaw opening. * Jaw Opening: 2-23/64" * Jaw Hardness: 49-53 * Wide jaw profile with wire cutter. * Two tools in one! * Multi-functional use.