The HIT steel pipe wrench handle is forged steel,allowing for maximum strength and durability.The handle may bend but will not break for added protection to the user. Full floating jaws forged jaws allow for fast ratcheting action and heaviest job. Special spring design allows for the jaw to grip the pipe quickly and firmly. Meets Japanese Industrial Standard(JIS) and exceeds U.S. Federal Specification GGG-W651e,type II,Class A.