VDE certified and individually tested to 10,000v for complete safety when working on live equipment up to 1000v. Features: Premium quality chrome molybdenum/vanadium steel blade, hardened and tempered for optimum performance. Ergonomically shaped dual component handle with long fine neck for precise fingertip control and ridges along the head for extra grip in the last quarter turn. Tip type marking on the end of the handle for easy identification.