Feature: 1. Suitable for processing nails, glass, plastic, metal, stone, ceramic tiles, etc 2. Convenient grinding, high efficiency and having stable performance. 3. grinding effect and long service life, super to use. 4. Basically replace small grinding wheel with handle, and no dust pollution. 5. Easy to use, and reliable, tungsten steel material manufacturing. Specification: Condition: Brand New Item Type: Manicure Drill Bit Material: Tungsten Steel Optional Color: Green, Blue, Red Package List: 1 x Manicure Drill Bit[Satisfactory Guarantee]: We are a customer oriented company that is dedicate to provide best product and fast service, if you have any problems with this product you can to us and we will help solve the problem for you as soon as possible. [ and Reliable]: All the Nail Art Manicure Drill Bits are made of quality thick Tungsten Steel material with high strength, which not only has great grinding performance, but also has high hardness and wear resistance, hard to break or damage, and to be used for a long life. [Wide Usage]: This Nail Grinding Head Drill Bit is great and practical, they are 0.09 inches diameter which is suitable for most electric grinding machine, can be widely used for Processing nail polish, wood, glass, plastic, metal, stone, tiles, ceramics, etc. [Simple to Use]: It is quite simple to use this Nail Grinding Head Drill Bits , all you need is replace your original drill bits with these bits, fitment, stable and easy polishing. [Practical and Effective]: This is a pretty practical effective Nail Art Manicure Drill Bit, it is designed to help polish and grinding finger nail and skin, practical for removing dead skin and polishing nail surface.