Specifications:Accurately true or change a fingerboard& 39;s radius.Used for shaping a radiused fretboard and leveling installed fretsVarious radius are available: 7.25", 9.5", 10", 12", 14", 15", 16", 17", 20".When working on compound radius fretboard, simply change blocks as you progress along the neck.Item Name: Radius Sanding BlockMaterial: WoodLength: 13cm/5.12" (Approx.)Height: 6.8cm/2.68" (Approx.)Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Radius Sanding Block Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store