The Planet Waves Fret Polishing System makes your guitar frets shine like new. This maintenance kit includes 5 sheets of reusable fret polishing paper and one fret polishing template with a choice of narrow or jumbo slots. Just use the correct slot for your guitar's frets and, in just a few minutes, the frets will be polished to a shine. Guitars play their best when the frets are kept clean and polished.