Set of ten 1 000 volt insulated screwdrivers including flat as well as ph and pz types features include tt mv plus steel blades and ergonomically designed bi material handles with hanging hole and t drive facility for added torque and comfort all produced and tested according to the en60900 standard approved for working up to 1 000 volt ac supplied in the unique teng tools double tc tray with removable lid and dovetail joints for use on itrsquos own or as part of the teng tools tc control