Yheonver Guitar Fret Crowning Narrow Dual Edge Tools + Guitar Bass Leveler Fret Files with Self-Adhesive Sandpaper + 2 Fretboard Protector

Fit for burnishing the guitar fret to make the more smooth and rust-proof. There are four kinds of grit paper with #400, #600, #1000 and #1200 to meet your different demands. The product is made of top grade 6061 Aluminium with nice oxidation blasting treatment, and covered with protective film all around to avoid being scratched. Suit for electric guitar, acoustic guitar, electric bass, electric box guitar, etc. Two in one luthier supply -- the fret beam works well both for fret beveling and fret leveling.