the handle is drop forged from special tool steel jaw guide made from special alloy working surfaces induction hardened teeth ground lacquered Usage: grip, rotation or bolting of round or multi-edged pipes, nuts, and flanges Handy The wide range of tools are intended for various target groups of users. Clamps ensure quick and simple clamping. The cutting and grinding wheels are designed for working both tough and soft metals, plastics, etc. Strong Grip Strong Grip the Unior tools are distinguished by providing a strong grip on the objects being worked on without injury. The guides in the clamps enable the accurate movement of jaws with the quick movement handle. Installation on rotating bases ensures that it adapts to the object being worked on. Top Quality Materials The well-thought-out design and precise manufacture prevent damage to the objects being worked on even under a substantial load. With these characteristics, the effective Unior tools are the right selection for craftsmen