Suitable for robust use in industry and commercial vehicles, Acc. to DIN 3122, ISO 3315, With recessed lever change, locks in middle position, Return angle 11.25B0, With slip-on tube No. E-3293 U-3/90, For hand-operated sockets and accessories with square drive as per DIN 3120 - D 20, ISO 1174 with locking pin, Vanadium steel 31CrV3, chrome-plated