Condition:100% Brand New Item Type: Nail Drill Optional Color: Dark Gray, Pink Product Material: Aluminum Alloy Power Supply Mode: USB interface Speed: 18000-20000rpm Product Features: Small and beautiful, nice size and appearance, more in line with the posture of a woman holding a polishing pen Product Use: Household, nail salon, etc. Size: Approx. 13.2 x 1.6cm/5.2 x 0.6in Package List 1 x Polishing Pen 6 x Metal Grinding Head 5 x Quartz Grinding Head 16 x Sanding Circle 1 x Nail Art Soft Brush 1 x Manual 1 x USB Cable Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. 1The beautiful socket design at the tail is not easy to loosen, which is safer and more convenient. 2The back end and top end of the polishing pen have dark lines to make it nonslip and easy to use. 3The plugin type grinding head socket is easy to plug and insert, which is more convenient to replace the grinding head. 4This product is small and light, so you just need to put it in your handbag or suitcase when you go out. 5This professional polishing pen is very suitable for nail salons and home use.