This file has 7 grades of file. It goes from coarse to extra fine to create one of the smoothest nail finish you ever seen.
#1 Course
#2 Medium Grit
#3 Fine Grit
#4 Even Out
#5 Smooth Nail
#6 Shine Nail
#7 Buff Nail
***I seen Tiffany rave about this in her video so I decided to pick one up after I got to play with one at a nail party lol.
