1/4", magnetic, with quick-change function, locking and swivel joint, swivel angle 20° Field of application: manual operation, electric screwdrivers and drills. For screw connections in trade and industry using 1/4" bits with external hexagon drive according to DIN 3126 / ISO 1173 - C 6.3 and 1/4" bit sockets with internal square drive according to DIN 3120 / ISO 1174, Chrome Vanadium. Drive / receiver 1/4 " Application manual operation, machine operation Type Article Version external hexagon, bit, internal hexagon Total length 90 mm Main color silver Secondary color black