One Of The Most Important Nail Tool For Your Average Nail Technician Is The Nail File. Designed To Quickly Trim, Shape And Polish Nails With Only A Light Touch, These Nail Files Have Thick Emery Boards That Are Triple Layered Onto The Center For Reusable And Long Term Use. These Are Ideally To Be Used On Acrylic Nails, Gel Nails, Natural Nails, And More. Suitable For An At-Home Or Salon Manicures And Pedicures, These Files Are Also Reusable Once Washed. Nail Files All Have Different Grit Sizes That Varies From 60 To 240. Each Number Represents The Amount Of Grit On A File. Every Grit Size Has Different Uses Of The File. So Make Sure Your Nails Are Smoothed And Shaped To Perfection!