Hinfudor Fret Leveling Beam, 10 Inch (250Mm) Bass Guitar Fret, Glued Sandpaper. Features: 10 inch length (250mm) fret leveler block file bar works perfectly for spot leveling and whole neck leveling. Fret sanding beam is made of quality aluminum alloy material, which is rust-proof, durable, strong and fine workmanship. Fret leveling beam with 4 pre-glued sandpapers (400#, 600#, 1000#, 1200# grit), can help you achieve different sanding or polishing needs. Fret leveler beam is perfect for fret, saddle, and fretboard sanding. Suitable for electric guitar, electric bass, acoustic guitar, classical guitar, etc. Great repair tool for beginners, luthiers, guitarists, music enthusiast, etc. Specifications: Material: Aluminum alloy Dimensions: 250mm x 38mm x 25mm (10in x 2.5in x 1in) Weight: 134 g (4.8 oz) Sandpaper Grit: 400#, 600#, 1000#, 1200# Package Included: 1 x Guitar Fret Leveling Sanding Beam (10 inch) Fret leveling beam is perfect for fret, saddle, and fretboard sanding. Great repair tool for beginners, luthiers, guitarists, music enthusiast, etc. 10 inch length (250mm) fret leveler block file bar works perfectly for spot leveling and whole neck leveling. Fret leveler beam with 4 pre-glued sandpapers (400#, 600#, 1000#, 1200# grit), can help you achieve different sanding or polishing needs. Fret sanding beam is made of quality aluminum alloy material, which is rust-proof, durable, strong and fine workmanship. Size: 10 x 2.5 x 1 inch (250 x 38 x 25 mm); Weight: 4.8 oz (134 g). Suitable for electric guitar, electric bass, acoustic guitar, classical guitar, etc.