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

FA10B021/8K

Diamond nail drill bit, “flame” , blue, head diameter 2.1 mm/ working part 8 mm

FA50B016/3.4K

Diamond nail drill bit, rounded “bud” , blue, head diameter 1.6 mm/ working part 3.4 mm