describe: feature: Professional portable design, high quality, high service The grinder is equipped with a chuck, and its mini design enables the two-in-one to quickly switch the polishing motor and the multi-function host power supply in the handle of the entire grinder, ensuring the compactness, portability and mobility of the body. This nail polish can be used for polishing, nails, dentures, models, jade, jewelry, etc. Different grinding heads will get different grinding effects. Using 5v high-strength magnet motor, the speed is faster than the conventional 12v motor, the power consumption is lower than the conventional 12v motor, the heat generation is small, the speed is high, and the power consumption is low. Compatible with any 5v1a and above power adapters on the market. Almost any mobile phone charger adapter can be used with this sander. Quiet and convenient operation: the high-quality engine runs stably, and the professional pen-shaped drill bit runs very quietly, stably and without vibration. Comfortable grip. Professional quality makes it an extremely quiet and smooth experience. Safe and durable: The electric nail art adopts high-quality aluminum shell, which effectively dissipates heat, increases working time and prolongs service life. Product size: 13 X 2 cm Package Included: 1 X nail file drill 1 X nail brush 5 X Quartz grinding head 6 X metal grinding head 16 X Frosted Ring