Feature: 1. Grinding head has good anti-corrosion properties, can prevent damage and can be used for a long time. 2. Applicable to general manicure grinding machine, used for manicure polishing, pre-treatment, manicure, exfoliating, etc. 3. Grinding head made of selected tungsten steel has higher durability than that of high speed cutting tools. 4. Special designed for dead skin removal, nail trimming and nail polishing, meeting your different demands. 5. There are 5 different types nail drill bit available, you can choose according to your demands. Specification: Item Type: Nail Drill Bit Material: Tungsten Steel Usage: Dead skin removal, nail trimming and nail polishing Functions: T-1 Nail Drill Bit: Used to remove dead skin from the edge of the nail T-2 Nail Drill Bit: Used to remove dead skin from the edge of the nail T29 Nail Drill Bit: Remove the cutin from both sides of the nail and remove the dead skin on the back edge T25 Nail Drill Bit: Exfoliating, fingernail sides, hard dead skin T28 Nail Drill Bit: Push back edge dead skin, can replace nail pusher, remove dead skin at an angle of 30 to 45 degrees, dry and wet dual use. Use the top teeth to remove part of the dead skin Package List: 1 x Nail Drill BitGrinding head has good anti-corrosion properties, can prevent damage and can be used for a long time. Special designed for dead skin removal, nail trimming and nail polishing, meeting your different demands. There are 5 different types nail drill bit available, you can choose according to your demands. Grinding head made of selected tungsten steel has higher durability than that of high speed cutting tools. Applicable to general manicure grinding machine, used for manicure polishing, pre-treatment, manicure, exfoliating, etc.