Feature:1. Adopts high quality stainless steel material, the grinding head will not rust when exposed to water.2. It is mainly used for polishing and repairing old and dead skin on the soles of the feet, make feet skin slick.3. Exfoliates the skin without damaging the normal skin of the feet, fast and effective.4. High temperature resistance, corrosion resistance, strong hardness, long‑lasting wear resistance, easy to clean.5. Light weight and in small size, easy to be installed on nail polishing pen. Specification:Condition: 100% Brand NewItem Type: Nail Drill BitModel: A1Material: Stainless Steel + ElectroplatingFeatures: High temperature resistance, corrosion resistance, strong hardness, long-lasting wear resistance, easy to cleanUses: Foot dead skin removal, manicure, exfoliation, remove calluses, hangnail, etc.Handle Length: Approx. 37mm / 1.46inTerminal Length: Approx. 16mm / 0.63inTerminal Width: Approx. 10mm / 0.39inPackage List:1 x Nail Drill Bit