Ujjdwiurgh 10 &17 Dual-Purpose Guitar Fretboard Radius Sanding Block, Fret Fretboard Leveling Sanding Block + Sanding Paper

There are two different radiuses on each block. Two-Way fingerboard sanding block for the sanding frets and leveling fingerboards. There are two different radiuses on each block Fingerboard Sanding Block: Two-Way fingerboard sanding block for the sanding frets and leveling fingerboards High glossiness and long-lasting use, not easy to deform. Groove side design gives you comfortable grip. Different guitars need different arc grinding blocks, please confirm the size of your Guitar or before you purchase.