Note: 1. Please allow slight error due to manual measurement. Thanks for your understanding._x000D_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. specification: _x000D_Item Type: Nail Drill Bit_x000D_Material: Stainless Steel_x000D_Characteristics: High temperature resistance, corrosion resistance, strong hardness, long-lasting wear resistance, easy to clean._x000D_Uses: Exfoliating dead skin on the feet, manicuring, removing hangnail, exfoliating cuticles, calluses, etc._x000D__x000D_Size Chart:_x000D_Model Handle Length Handle Width Grinding Head LengthGrinding Head Width _x000D_ A2F 37mm / 1.5in 2.35mm / 0.1in 16mm / 0.6in 10mm / 0.39in_x000D_ A2C 37mm / 1.5in 2.35mm / 0.1in 16mm / 0.6in 11mm / 0.43in Features: 1It can be used to polish and repair old dead skin on the soles of the feet and make the skin of the feet smooth. 2Exfoliates skin without damaging the normal skin of the feet, fast and effective, easy to install. 3Made of stainless steel material, the polishing head will not rust when exposed to water, has excellent durability and working performance. 4High temperature resistance, corrosion resistance, high hardness, wear?resistant and sturdy, easy to clean. 5Universal handle diameter 2.35mm, specially designed for most nail drill machine, convenient and practical. PackageList: 1 x Nail Drill Bit 1 x Storage Box