The 5-inch Locking Pliers mainly used to clamp parts for riveting, welding, grinding and other machining, and also can be used as a wrench. The curved jaw profile with straight tips holds round, hex, and square shapes, flat stock, and sheet materials. Hardened teeth are designed to grip from any angle, ideal for tightening, clamping, twisting and turning. One side of the handle includes a bolt that is used to adjust the spacing of the jaws. The other side of the handle includes a lever to push the two sides of the handles apart to unlock the pliers. The mechanical power connecting rod is used to connect the two handles to achieve the effect of clamping and labor saving. Fixed rivets make the connection firmer which is safe and durable. This 5-inch Locking Pliers is easy to operate, durable and widely used, simple and beautiful design, convenient to carry. Great addition to existing basic tool set. New.