Some Knowledge about the drill:
From Coarse to Fine,the color-coded is
Black is most Rough,Yellow is most Fine.
all are in stock,welcome to chose the items you want..
2. No clogging.
3. Resistance of acid, alkali and heat.
4. Improvement of customers’ feel.
5. Excellent durability and cutting performance.
6. Unusual, eye-catching appearance for easy identification.
7. Protection of E-Files.
1. Check nail bits before use.
2. Always wear eye-protective safety glasses.
3. For professional use only.
4. Do not use if it is dropped.
5. Keep out of reach of children.
6. Disinfect nail bits after use.
Material: ungsten steel+ceramic
From top to bottom:
Head diameter: 6mm+13mm length
Overal Length:about 45mm
1* Nail Drill Bit