Material:USB electric nail files main body is made of aluminum alloy, so that the noise of nail drill is low, and it is stable and slightly vibrates during manicure. Adjustable speed:Electric nail drill kits speed and direction are adjustable, easy to use, and the drill bit can be easily replaced without tools, just pull it out and plug it in, then connect the power cord to operate Multi-function:Electric nail drill machine comes with a host and a sanding machine, as well as various sanding heads to meet your different needs for nail care Professional nail drill set:Electric nail drill can be used for manicure, pedicure, polishing and removing acrylic, nail polish gel and cuticle or pet nail modification, etc. Uses:Nail file drill kit can help you to remove calluses, take off nails, exfoliate and scrub nails, make nails look clean, shiny, smooth and flat Delivery Quantity: 1set Product color: pink Product siz: 9*3.4CM (host), 13.3*1.7CM (grinding pen)