Buffer file, K 320 grit, flexible, dimensions: 18 x 3 x 1 cm, for soft work The buffer file is a versatile tool for nail care. It is flexible and has two K 300 grit surfaces, which are used to smooth and polish nails and give them a healthy shine. The file makes it possible to get rid of bumps and grooves on the nails before applying nail polish. The buffer file is easy to use and helps nails look flawless and feel comfortable. It is an important tool for professional nail care and home use.