Achieve flawless guitar setups with our professional string action gauge, designed for musicians who demand precision. This compact tool features dual-sided calibrations that measure both string height and spacing with exceptional accuracy, making it ideal for electric guitars, acoustics, and basses. Its lightweight construction ensures easy portability to gigs, studio sessions, or your workshop. Whether you're a seasoned luthier or an enthusiastic hobbyist, this multi-functional instrument helps maintain optimal playability while preventing annoying fret buzz. The clear, durable markings guarantee reliable measurements every time, and its pocket-sized design means it can travel safely in your guitar case. Keep your instruments performing at their peak with this essential maintenance tool that simplifies complex adjustments and enhances your playing experience.