Features: Accurately measure string action on acoustic, electric, and classical guitars with this digital guitar action gauge for precise and clear digital readings on the display screen. Compact and light weight, it includes a locking mechanism to stabilize measurements and prevent data shifts, ensuring safe guitar setup tool performances. Ideal for guitar builders, repair technicians, and musicians who need a dependable string height measure tool for instrument adjustments and maintenance tasks. Perfect for guitar manufacturing workshops, daily tuning, repair operations, and use in studios or travel, offering wide application in various environment. This essential guitar accessory provides consistent string action measurement, enhancing accuracy and ease of use for great instrument care with its user friendly design. Specifications: Materials: Plastic Color: As The Picture Shows Weight: approx.58g Size: approx.11.2x6cm/4.40x2.36in Package Includes: 1Pc Digital Guitar String Action Ruler note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!