manicure Teflon file yellow grit 240/240 in a pack of 6 Manicure files, smooth and precise. Fine manicure files are recommended for natural nails. The professional manicure gently shapes the nails and provides the desired length. The files are fine and gentle in their filing effect. Please use a new file for each treatment and dispose of the used one. You cannot disinfect files 100%. Customers are happy when you give them “their” file home as a small gift.