Drill bit holder

I made a drill bit holder. The holes are
.1,5 mm
2 mm
3,5 mm
4,5 mm
5 mm
5,5
6,5 mm
7,5 mm
8,5 mm
10,50 mm.

I made them 0,5 bigger or them to fit with the drillbits 1, 1,5, 3, 4, 5, 6, ,7 8, 10