GEDORE ALLEN KEY SOCKET Acc. to DIN 7422 Square drive as per DIN 3120 - C 12.5, ISO 1174, with ball retaining groove Hand-operated, knurled grip Chrome-plated With pressed-in pin in GEDORE vanadium special steel, manganese-phosphated IN 19 17 for oil filter and drain plug screws * not standardised Screwdriver bit socket 1/2" in-hex 12 mm