Curved Jaw Locking Grip Wrenches manufactured with a rolled chrome vanadium steel body and drop forged hardened steel jaws with. These grip wrenches have been specially designed to grip circular objects. Features and Benefits • Locking mechanism designed to hold the wrench in place once adjusted, leaving both hands free • Bright nickel plating which is resistant to corrosion • Jaw opening and clamping pressure can be adjusted with the knurled head screw • Fitted with wire spring to ensure efficient opening of the jaws Typical Applications • Plumbing and general pipe work