Feature: 1. 10 pcs / set, with different shapes and functions, meeting your different grinding needs. 2. Suitable for processing nail, glass, plastic, metal, stone, tile, ceramic, etc. 3. It is made of tungsten steel and ceramic material, durable, wear-resistant and not easy to rust. 4. It can be installed on electronic grinder, hand grinder and electric drill. 5. Perfect grinding effect and long service life, great nail machine accessory. Specification: Condition: 100% Brand New Item Type: Nail Drill Bit Set Material: Tungsten Steel,Ceramics Quantity: 10pcs / set Optional Type: BH-04, BH-05, BH-06 Package List: 10 x Nail Drill Bits