Description: This electric nail pen is suitable for the nail drill, which has a DC connector, and the rotation speed is 30,000rpm. /min. A nice option for home use and for the living room. Characteristics: It is a pedicure manicure machine with powerful motor, low noise and constant vibration during use. Easy-to-replace drill bits. Designed for polishing nails, removing callus, engraving, sanding and more. Compact and portable pen, easy to carry, suitable for use at home, nail salon or on the go. Professional handle for nails 30,000 rpm / min, suitable for nail drills with DC connector. Ergonomic handle, comfortable to hold, good for work. Note 1: Suitable for 9V-15V pluggable nail drill which has a DC connector. Note 2: The outer diameter of the DC connector is 5.5mm and the length of the DC connector is 12mm. Technical data: Type: nail drill handle Material: Metal; ABS Rotation speed: 0-30000 rpm Working voltage: DC 9-12V Color : white Product Size: Approx. 16.7 * 2.35 cm / 6.57 * 0.93 inch Product Weight: Approx. 132 g / 4.64 oz 23.7 * 4.5 * 4.0 cm / 9.33 * 1.77 * 1.57 inch Package Weight: Approx. 160g/5.64oz Package List: 1 * nail drill handle;