IRWIN Tools VISE-GRIP Locking Pliers, 6-Piece Set (641MT) Mix of straight-jaw, curved-jaw, and long-nose pliers meet a variety of applications. Guarded trigger gives you a quick release while helping prevent accidental release. Adjust pressure and work fit with turn screw that stays adjusted for repetitive use. Constructed of high-grade heat-treated alloy steel for maximum toughness and durability. Backed by the IRWIN lifetime guarantee.