Product name in Arabic: a large cover -up screwdriver of the English product name: Total Test Pencil Country of origin: China Manufacturer: Total Total Product Description: An examination screwdriver used to detect the electrical current in the electric socket or a connection wire. When entering the tongue of the metal screwdriver in one of the lords of the socket or touching a wire, with one of the fingers of the hand on the back of the screwdriver, the lamp shines, indicating the presence of an electric current and its lack of brilliance means the absence of an electric current.