Marran Guitar Neck Fret Beam Leveling Bar Luthier Tools with Sandpaper and Guitar Neck Notched Straight Edge Ruler

new and high quality. Specially designed for the leveling of guitar necks. The black is used for rough grinding, the gray is used for fine grinding, and the white used for polishing, which makes the guitar look new. The guitar leveling bar itself comes with four different pieces of self-adhesive sandpaper that can be polished to varying degrees. It works well with most guitars, special for electric guitars, an ideal tool for checking the straightness and flat of the guitar fretboard and frets. It is a necessary operation before you begin a performance.