Gedore 6666100 5.5mm x 1mm Screwdriver Bit Socket 3/8" Drive

Square drive as per DIN 3120 - C 10, ISO 1174, with ball retaining groove.
Hand-operated, knurled grip.
Chrome-plated.
With pressed-in pin in GEDORE vanadium special steel, manganese-phosphated.
Blade as per DIN ISO 2380-1, Form B.