Nail Yiping today， the folding style， surrounded by polishing file design， everything， to meet the nails need to modify the site， surface grinding nail file to make it more shiny， more rounded， and the other more perfect nails. Modified nail file and removing excess dead skin surrounding the nail， nail grinding length fast repair， repair a beautiful arc; no edge design does not hurt the skin surrounding the nail to help you freely modified single-handedly elegant beautiful perfect nails and is ideal for professional tools and best personal beauty tools. Use: Black: only for repair nail file edge， not the nail surface. Blue: flat file in the same direction through a relief on the surface of the nail， but never too much rasp， price quality thin person， especially to be careful. Pink: often used to grind the nail surface slippery. Gray: ready to nail surface friction， thus producing luster.