The Irwin Vise-Grip Locking Multi-Pliers combine locking pliers with three additional tools integrated into the lower handle of the pliers. The Available in the company's 5WR, 5CR and 6LN jaw types, features include a stainless steel serrated fold-out knife blade and a fold-out screwdriver that includes a 1/4’’ bit holder with No. 2 Phillips and 6-8 slotted bits. The 5CR model features a self-energizing lower jaw for improved gripping power, and is suited for gripping and torquing multiple surface shapes; the 5WR model features a built-in wire cutter and the jaw shape puts pressure on four points of any style nut or bolt head; and the 6LN model offers a 6" long nose for precision work. The Locking Multi-Pliers are backed by a lifetime guarantee.