CHARACTERISTICS:Made of polyamide. To be used with tubes and elbows. Mirror can be set at different angles.Length: 130mmDiameter: 40mmWeight: 45gAPPLICATION:Live working up to 36kV a.c. Mirror is used to inspect the state of dirt invisible for the operator. Also is used for checking that there are no loose object left in the electrical devices or structural elements (f. ex. cables, tools or other conductive elements) what could cause a short circuit while performing live working.