The WorkPro 5 inch Curved Jaw Locking Pliers provides a hands free operation. It is used as a clamp to hold two pieces of material together until they are permanently joined, to hold materials for welding, etc. The locking device also makes it easy to hold odd shaped objects. They are a must have for any professional or Do-It-Yourselfer. Drop forged and heat treated steel for durability and corrosionresistance. The jaws are for universal use while curved jaws prove more efficient in tightening, clamping and turning round objects. Both jaws are equipped with strengthened teeth for stronger grip. The additional adjustable screw attached to the handle provides the ideal clamping pressure, making your work more easily. Ergonomic antislip handles for great comfort and firm control.