Osborn 9 mm HSS Two Tone Jobber Drill (Single) The Osborn 9 mm HSS Two Tone Jobber Drill is a general-purpose drill designed to give excellent performance under a wide range of materials and conditions. The 9 mm Jobber Drill DIN338 is perfect for drilling steels, cast irons, soft aluminium and plastic. Overall length: 125 mm. EUR 4.81 1