The worlds most versatile tool - used for turning cutting tightening clamping twisting. Meets federal specifications GGG-W-00649. Adjusting screw gives exacting pressure - turn adjusting screw to fit work and squeeze handle with one hand to lock on with tremendous pressure. Stays adjusted for repetitive use. Guarded release helps keep work safe and fast - guarded release trigger quickly unlocks. Tooth design that holds - hardened tooth design grips from any angle. Built tough to last a lifetime - high-grade alloy steels heat treated for maximum toughness and durability. Convenient wire cutter cuts up to a 14 bolt. Involute jaw curve permits user to put tremendous pressure on four points of any style nut or bolt head.