Manufactured from hardened and tempered drop-forged Chrome Vanadium steel. Finely ground polished heads. Serrated jaws and precision ground cutting edges, induction-hardened 55-65 HRC for cutting hard and soft wires. Unique teeth and jaw design on water pump pliers increases torque and grips round, flat, square and hex profiles. Dual material comfort grip handles and black oxide finish for corrosion resistance.