Feature:1. The beautiful socket design at the tail is not easy to loosen, which is safer and more convenient.2. The back end and top end of the polishing pen have dark lines to make it non‑slip and easy to use.3. The plug‑in type grinding head socket is easy to plug and insert, which is more convenient to replace the grinding head.4. This product is small and light, so you just need to put it in your handbag or suitcase when you go out.5. This professional polishing pen is very suitable for nail salons and home use.Specification:Condition:100% Brand New Item Type: Nail Drill Optional Color: Dark Gray, PinkProduct Material: Aluminum AlloyPower Supply Mode: USB interfaceSpeed: 18000-20000rpmProduct Features: Small and beautiful, nice size and appearance, more in line with the posture of a woman holding a polishing penProduct Use: Household, nail salon, etc.Size: Approx. 13.2 x 1.6cm/5.2 x 0.6in Package List:1 x Polishing Pen6 x Metal Grinding Head5 x Quartz Grinding Head16 x Sanding Circle1 x Nail Art Soft Brush1 x Manual1 x USB CableNote: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.