1、Suitable for processing nails, glass, plastic, metal, stone, ceramic tile, ceramic and so on. 2、Made of high quality material, durable, eco-friendly and harmless. 3、12 different nail drill bits, meet your different operation demands. 4、Replace the small grinding wheel with the handle, no dust pollution. 5、Professional salon results from your own home so you can have DIY nails or a manicure and pedicure with the ease. Features: 1. Suitable for processing nails, glass, plastic, metal, stone, ceramic tile, ceramic and so on. 2. Made of high quality material, durable, eco-friendly and harmless. 3. 12 different nail drill bits, meet your different operation demands. 4. Replace the small grinding wheel with the handle, no dust pollution. 5. Professional salon results from your own home so you can have DIY nails or a manicure and pedicure with the ease. Specification:  Item Type: Grinding Head Material: Tungsten Alloy Optional Type: 01, 02, 03, 04, 05, 06 Package List:  12 x Grinding Head Note: If you are a DIY hobbyist or craft hobbyist you can install in an electronic grinder. Can install on hand grinders and hand drills, used for engraving, finishing, precision grinding and internal grinding carbides of ceramics, glass, gemstones, alloys and many abrasive material.