Features: Precisely measure your guitar's string action with this high accuracy gauge, eliminating errors from traditional tools to ensures perfect tuning and superior sound quality for a flawlesses playing experience, featuring our advanced guitar action ruler design. Crafted from stainless steel for durability, this corrosions resistant ruler extends lifespans threefold over plastic versions, maintaining reliability in any climate while offering a compact form for easy handling and storage. Ideal for professional musicians, artists, music teachers, and hobbyists of all skill levels, this tool empowers users to achieve optimal instrument setup and enhances their performances with minimal effort. Versatile for indoor rehearsals, outdoor gigs, or on the go adjustments during tours, its portable design ensures you can quickly check and fine tunes string height on electric, classical guitars, and basses. Featuring bright markings and interfaces, this multifunctional string height gauge simplifies measurement for beginners and experts alike, ensuring accurate setups to elevates your musical journey effortlessly. Specifications: Component: Stainless Steel Size: Approx. 3.51x1.97inch(9x5cm) Package Includes: 1x Guitar String Gauge note: Please allow 1-2cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color from the item.