Description This guitar neck fret board leveling ruler is an essential tool for any guitarist or luthier. Crafted from sturdy metal , it features a sleek black design with a string spacing ruler function. Suitable for measuring fret height discrepancies, it ensures your guitar's fret board is perfectly level, enhancing playability and sound quality. Features -Color:Black -Material:Metal -Size:10.00X5.20X0.10cm/3.93X2.04X0.04in -Precision measurement: Guitar Fret Rocker, accurately measure the height of guitar frets to ensure suitable intonation and enhance your playing experience -Multifunction design: Fret Rocker and String Action Gauge black design with string spacing ruler function, one tool for various adjustments, meeting all your calibration needs -Professional grade: ideal for guitar repair and calibration, this professional leveling ruler increases work efficiency -Fret board leveling: solve uneven fret board issues easily, adjust to the ideal state, and extend the lifespan of your instrument -Portable design: suitable for quick checks and adjustments before live performances, ensuring your guitar is always in top conditionPackage list: 1 x guitar fret rocker