If you are looking for a set of spotting drill bits that both and , this is it. With features of high and abrasion resistance, this set is more useful.

Features:
7pcs spotting drills with 90 degree angle.
With high and abrasion resistance.
Positioning and chamfering can be finished by .
The holes made by these drills are not easy to cause breakage.
high speed steel drills have long service .
Note:  the 12mm drill bit with two color, is and the other with color coating, they are send randomly. 

Specifications:
Material: M42
Drill Dia: 3mm / 4mm / 5mm / 6mm / 8mm / 10mm / 12mm
Package Size: 11.5 * 14 * 1.5cm / 4.53 * 5.51 * 0.59in
Package Weight: 198g / 7oz

Package List: E1917
7 * Drill Bits