IDL Tools International VG6000BK ViperGrip 6-Inch 2-in-1 Self-Adjusting and Locking Pliers 2 tools in 1 - Patented Switch Lever enables The ViperGrip to be used as both a Locking and a non-locking Pliers - replacing 4 or 5 tools 3X Faster than standard locking pliers - In locking mode, The ViperGrip's jaw automatically self-adjust and lock on any sized materials to save time and help you work more effectively - unlike traditional locking pliers 6X force - Patented Cam-mechanism multiplies hand force up to 6X, virtually eliminating slippage and hand fatigue Lifetime Warranty - 5 layers of laminated steel and stainless steel rivets guarantees durability Handles remain parallel, enabling true one-handed operation