Diamond nail drill bit, rounded “cylinder”, blue, head diameter 2.3 mm/ working part 8 mm

FA40B016/4

Diamond nail drill bit, “drop” , blue, head diameter 1.6 mm/ working part 4 mm (6 pcs)

FA70R018/8

Diamond nail drill bit, “frustum”, red, head diameter 1.8 mm/ working part 8 mm (6 pcs)