The StageTuner Fender Auto Chromatic Digital Stage Tuner ST-1 is a reliable and accurate tuning device suitable for acoustic guitars, acoustic electric guitars, and bass guitars. Made by the renowned brand Fender, this black tuner is designed for professional musicians looking for a convenient and high-quality solution for achieving optimal pitch on stage. With its digital technology and user-friendly design, the StageTuner Fender ST-1 ensures precise tuning for a seamless performance.