• Carry aluminum case included

• Two flutes, automatically deburrs as you drill

• Tri-flat shank for 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)