Allow the operator to turn the pipe in either direction without removing the tong or unhooking the chain. Handles are drop-forged steel and have a heavy-duty I-beam design. Jaws are forged from special high-quality steel and heat-treated to stand rugged service. All sizes equipped with heat-treated PETOL™ Special Chains. Replacement parts are interchangeable with other standard brands of reversible chain tongs and are packaged and labeled.