VDE tested to 10,000v to ensure completely safe working on live equipment up to 1000v Grip tip technology that reduces the risk of cam out and slipping Tip type marked on the end of the handle for easy identification Ergonomically shaped head so it turns easily in the hand Ridges along the head that gives better grip and extra power in that last quarter turn Lomg fine neck for the ultimate fingertip control that's needed when turning machine screws, Weight: 0.220462262 Pounds, Manufacturer: Carl Kammerling International Limited