Item Type: Nail Drill Bit_x000D_Material: Tungsten Steel_x000D_Handle Diameter: Approx.2.35mm / 0.1in_x000D_Characteristic: Used for manicure, nail polish removal to be used with nail polisher_x000D_Suitable: For household, nail shop, etc. 1Complete functions, can be used interchangeably, and can be rotated forward and backward. 2Meet the needs of different nail art, and can be used for many purposes such as manicure, nail polish removal, nail polishing, and exfoliation. 3Made of high?quality tungsten steel material, very strong and durable, and can be used for a long time. 4Universal grip diameter of 2.35mm is suitable for most grinders on the market. 5Suitable for use in various situations, such as home use, professional nail salons, and is very convenient.