Yato Locking Pliers 10" (250mm) is made of molybdenum chromium steel (CrMo). It has an adjustable jaw opening and is equipped with a locking mechanism for clamped jaws. It has grooved jaws with a rounded grip. CrMo makes this plier corrosion resistant and provides extra tensile strength. It is ideal for screwing, unscrewing and holding various types of rods, pipes and other things with a circular cross section.