Features: Make of solid wood and has a good finish, Enduring and wear-resistant. Accurately true or change a fingerboard's radius.Used for shaping a radiused fretboard and leveling installed frets.When working on compound radius fretboard, simply change Block as you progress along the neck.The side of the grooves is comfortable to hold and has good smoothness, so you not have to worry about being hurt by tiny burrs.Specifications: Materials: WoodStyles: 10inch/14inch/16inch/17inch/20inchSize: As shown in the picturePackage Includes: 1pc Wood Guitar Radius Sanding Blocknote: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.