IRWIN Tools VISE-GRIP Locking Pliers Set, Original, 2-Piece (1771879) Ideal for tightening, clamping, twisting and turning. Classic trigger release provides maximum locking force. Constructed of high-grade heat-treated alloy steel for maximum toughness and durability. Adjust pressure and work fit with turn screw that stays adjusted for repetitive use. Includes 10WR and 7WR curved jaw pliers with wire cutters.