12 Radius Sanding Block, Guitar Fingerboard, Radius Sanding Block Fret Leveling Luthier Tools for Electric Acoustic Guitar Bass

Material: Wood Weight: 271.1g Dimensions: 5.12 x 2.56 x 1.69 inches (13 cm x 6.5 cm x 4.3 cm) Adaptation: 12 radius sanding block ChengFu Bass guitar fingerboard is designed for precise grinding and radius adjustment of guitar fingerboards. Acoustic guitars are generally recommended to use a 12-inch radius, while electric guitars are more inclined to a 9.5 inch radius to meet the needs of different musical styles. To achieve different radii of sanding, just gently move the sanding block along the neck of the guitar, so that your guitar fingerboard reaches the ideal curvature, helping you to better polish your guitar.