Drill Bits, replacement set, 6 piece

Drill Bit replacement set of 6 for drill set

Sizes: 

1. 52 = .0635 inch = 1.6 mm
2. 56 = .0465 inch = 1.2 mm
3. 60 = .040 inch = 1 mm
4. 66 = .033 inch = 0.08 mm
5. 70 = .028 inch =  0.07 mm
6. 74 = .0225 inch = 0.05 mm