Feature 1With self-adhesive sandpaper strip on four sides(400, 600, 1000, 1200 grit) to meet different polishing needs. 2The straight sides have high frets leveling performance. 3The main body is constructed of premium aluminum alloy material, anti-rust, very solid and sturdy. 4Suitable for the fret leveling of electric guitar, acoustic guitar, electric bass, etc. 5Ideal accessory for most guitarists, bass players, luthiers.SpecificationFeatures: With self-adhesive sandpaper strip on four sides(400, 600, 1000, 1200 grit) to meet differentpolishing needs. The straight sides have high frets leveling performance. The main body is constructed of premium aluminum alloy material, anti-rust, very solid andsturdy. Suitable for the fret leveling of electric guitar, acoustic guitar, electric bass, etc. Ideal accessory for most guitarists, bass players, luthiers. Specification: Condition: 100% Brand New and High Quality 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