Pana Jumbo Nail Files Has A 60/60 Grit Size Which Is 60 60 Grit Is The Sharpest File Beauticom Carries. 60 Grit Files Are Coarse Enough To File Away The Excess Dead Skin On Or Calluses On One'S Foot. This Coarse Grit Is Not Advised To Be Used For Natural Nails. This Type Of Rough Grit Allows You To Be Flexible With Your Filing. They Also Smooth And Seal The Freshly Filed Edges As They Go, Preventing Breaks And Peeling. It Is Designed To Have A Double-Sided Nail File 60 Grit Size For Work In A Single Direction From The Outside Edge To The Center Of The Nail To Help Prevent Splitting. Since This Piece Is So Versatile, You Can Use It Vigorously Or Gently To File The Nail To Any Curve And Tip You Desire. Pana Jumbo Nail Files Is Made With A High Graded Emery Paper And Glued Together Making Them Both Abrasive And Flexible. It Is Commonly Used For Fingernail And Toenail Care. It Can Also Buffer File To Smooth The Edges And Fix Small Uneven Or Rough Areas. Jumbo Nail Files Can Be Disinfected And Reused. They Should Be Disposed After Every Service. Suitable For Personal And Professional Nail Enthusiasts.