Feature:1. It can be used to polish and repair old dead skin on the soles of the feet and make the skin of the feet smooth.2. Exfoliates skin without damaging the normal skin of the feet, fast and effective, easy to install.3. Made of stainless steel material, the polishing head will not rust when exposed to water, has excellent durability and working performance.4. High temperature resistance, corrosion resistance, high hardness, wear‑resistant and sturdy, easy to .5. Universal handle diameter 2.35mm, specially designed for most nail drill machine, convenient and practical.How to Use:Specification:Condition: 100% Brand NewItem Type: Nail Drill BitMaterial: Stainless SteelCharacteristics: High temperature resistance, corrosion resistance, strong hardness, long-lasting wear resistance, easy to .Uses: Exfoliating dead skin on the feet, manicuring, removing hangnail, exfoliating cuticles, calluses, etc.Size Chart:Model Handle Length Handle Width Grinding Head LengthGrinding Head Width A2F 37mm / 1.5in 2.35mm / 0.1in 16mm / 0.6in 10mm / 0.39in A2C 37mm / 1.5in 2.35mm / 0.1in 16mm / 0.6in 11mm / 0.43in Package List:1 x Nail Drill Bit1 x Storage BoxNote:1. Please allow slight error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.