Feature:1. The grinding head has good performance, can prevent nail polish remover and other damage to the grinding head, and can be used for a long time.2. 5 grinding heads, individually packaged, easy to carry and store.3. Suitable for most nail polishers, used for nail polish, pretreatment, manicure, exfoliation, dead skin removal, etc.4. Selected tungsten steel material, and eco‑friendly, firm and .5. Equipped with dust cover to reduce dust entering the grinder handle and prolong the life of the grinder handle.Specification:Condition: Brand NewItem Type: Nail Grinding Head SetMaterial: Tungsten SteelProduct Model: MW-01, MW-02, MW-03, MW-04, MW-05Specification: 5pcs / setProduct Use: Exfoliating, trimming nails, smoothing nailsProduct Application: Used for manicure, nail polish removal, etc. with nail polisher.Product Size:MW-01,02,03: Whole Length: Approx. 45mm / 1.8in, Grinding Head Length: Approx. 15mm / 0.6inMW-04: Whole Length: Approx. 45mm / 1.8in, Grinding Head Length: Approx. 7mm / 0.3inMW-05: Whole Length: Approx. 45mm / 1.8in, Grinding Head Length: Approx. 6.5mm / 0.3inPackage List:5 x Nail Drill Bits