Fret Leveling File Beam with Self adhesive Sandpaper Luthier Fixing Tool for Guitar Bass Features: With self-adhesive sandpaper strip on four sides(400, 600, 1000, 1200 grit) to meet different polishing needs. The straight sides have high frets leveling performance. The main body is constructed of premium aluminum alloy material, anti-rust, very solid and sturdy. Suitable for the fret leveling of electric guitar, acoustic guitar, electric bass, etc. Ideal accessory for most guitarists, bass players, luthiers. Specification: Condition: Material: Aluminum Alloy Color: Shown as pictures Dimensions: Approx. 150 x 38 x 25 mm / 5.90 x 1.49 x 0.98 inch Sandpaper Strip Grit: 400, 600, 1000, 1200  Suit for: Electric guitar, acoustic guitar, electric bass, electric box guitar, etc. Weight: Approx. 105 g Packing List: 1 x Guitar Fret Leveling Beam