MULTIUSE DOUBLE SIDED GRIT 180240 Higher grit number means smoother file Cliganic Nail Files designed with double sided grit for multiuse MEDIUM GRIT 180 Gentle shaping of gelacrylic nails of medium thickness and for shaping the free edge of nails FINE GRIT 240 Finishing on gelacrylic extensions and filing and shaping natural nails PREMIUM QUALITY VALUE SET Cliganic Nail File Kit is made with top quality emery board sturdy but safe This set comes with 12 nails files each at a perfect size of 7 178mm length and 016 4mm thick CHOOSE THE RIGHT GRIT SIZE We offer 3 different sizes 100180 120240 180240 The general rule is the higher the grit number the smoother the file Low number CoarseMedium is usually better for artificial nails while high number MediumFine is better for natural nails Ideal for your pedicure manicure regimen EASY TO CLEAN WASHABLE This nail filing tools are very easy to clean and are washable Simply rinse with soap