Feature: 1. The grinding head has good anti‑corrosion properties. Light weight and in small size, easy to store and carry. 2. Suitable for general nail polishers, used for nail polishing, pretreatment, manicure, exfoliation, dead skin removal, etc. 3. Selected tungsten steel material, safe and wear‑resistant, sturdy and firm, durable for use. 4. Equipped with dust cover, reduce dust from ing the nail drill handle and prolong the life of the nail drill handle. 5. Practical nail art tool. Exquisite workmanship, easy to install and remove, suitable for home use and nail salon. Specification: Condition: 100% Brand New Item Type: Nail Drill Bit Material: Tungsten Steel Uses: Exfoliating dead skin, trimming nails, removing nail polish Product Function: T27A: Before applying the nail polish, polish and grind the surface of the nails faster and more delicately, with even notch, increasing the durability of the nail polish, and avoiding upwarp of rear edge of the surrounding area. T28: Push the dead skin at the rear edge, faster and more time-saving. Push up the dead skin on the rear edge at an angle of 30° to 45°. It can be pushed dry or wet. The top teeth can be used to grind off part of the dead skin and the white lines that have not been pushed up. Package List: 1 x Nail Drill Bit