Guitar Measuring Tool Set Guitar Fret Rocker Leveling Tool String Action Ruler Gauge for Bass Guitar Ukulele MandolinGuitar Maintenance and Repair Kit: You will receive a ruler with a cutout on the guitar neck, a string ruler, a free string height indicator and a rocker balancing tool. Various tools can easily meet your needs. Anti-rust Material: The fret rocker and straight edge of the groove are made of stainless steel, strong and durable, can be used for a long time, not easy to scratch the guitar. Keep the guitar collar upright: the straight side of the guitar, the free translation tool, and the guitar string ruler help you measure if the fretboard surface is straight and check the final height after modification or replacement. Multiple Applications: The twine action ruler helps you measure the bridge groove, the height of the string, the height of the nut and the lifting rod, and even the depth of the free groove; The grooved edge straight ruler helps you check if each fingerboard is at the same level, the free rocker can cover more than 3 freedoms, and you can check if they are at the same level. Gifts: These guitar fluid tools make great gifts for guitar technicians and guitarists. They can quickly maintain and repair their instruments and reduce foaming; These are electric guitars, acoustic guitars, bass, strings, and folk guitars. Ideal tool for etc. Color: SilverMaterial: Stainless SteelSize: