Gedore TX 19 E16 6194420 TX Bits 14.76 mm M12 1/2 (12.5 mm)

Square drive as per DIN 3120 - C 12.5, ISO 1174, with ball retaining groove · Hand-operated, knurled grip · GEDORE vanadium steel 31CrV3, polished, chrome-plated

Price: 16.99 from Conrad Electronic