Neiko Tools USA 5 pc Metric Step Drill Bit Set

• Carry aluminum case
• Two flutes- automatically deburrs as you drill
• Tri-flat shank provides a sure grip
• 1/4" shank: 4 to 12 mm, 9 steps (4, 5, 6, 7, 8, 9, 10, 11, 12mm) 4 to 12 mm, 5 steps (4, 6, 8, 10, 12mm) 3/8" shank: 6 to 18 mm, 7 steps (4, 8, 10, 12, 14, 16, 18 mm) 4 to 22 mm, 9 steps (4,6,8,10,12,14,16,18, 20, 22mm) 6 to 35 mm, 13 steps (6, 8, 10, 13, 16, 18, 20, 22, 25, 28, 30, 32, 35 mm)