Set with 15 pieces of iron, titanium drills. The set includes the sizes:

2X: 1.5mm, 2.0mm, 2.5mm

1X: 3.0mm, 3.2mm, 3.5mm, 4.0mm, 4.5mm, 5.0mm, 6.0mm, 8.0mm, 10.0mm.