Pliers are the utensils for holding things. There are a variety of shapes of pliers, usually including the handle, jaw and jaw three parts. Pliers are generally made of carbon structural steel, first forged and rolled into the shape of pincer embryo, and then milling and polished, and finally heat treated. The use of pliers is a manual tool for clamping, fixing and processing artifacts or twisting, bending and cutting metal wire.
