Clean frets are happy frets! Guitars play at their best when frets are kept clean and polished. The Planet Waves Fret Polishing System is the secret to making a guitar's frets shine like brand new. Just use the correct slot for the guitar's frets using the polishing template built into the package. In just a few minutes, the frets will be polished to a shine. Includes 5 sheets of fret polishing paper.