Fit for burnishing the guitar fret to make the surface more smooth and rust-proof.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.There are four kinds of grit paper with 400, 600, 1000 and 1200 to meet your different demands.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.A great assistant tool for luthiers and guitarists.Package comes with extra 4 pieces of self-adhesive grit papers, which extends the using time of the fret beam.Comes with 2pcs fretboard protectors, one is wide and the other narrow.Prevents scratching or damaging to guitar or bass fretboard when filing and polishing frets.Fret Leveling Beam size: 15*3.8*2.5cmItem weight: 134g / 4.73ozFretboard Protector Size: 78*22mm, 76*13mmFret Crowning Size:18.5*2cmNote:The guitar neck showed in the picture is not included.colour:brownMaterial:Aluminum alloy + stainless steelPackage Contents:1 * Guitar Fret Beam4 * Extra Grit Paper2 * Fretboard Protector1 * Fret CrowningOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.