Check the listing for details. Gibson Headstock Tuner Black GA-TUNER. Color: Black, Condition: New. Listed at 20.99 USD. Gibson Original EquipmentAuthentic Replacement Parts Gibson Headstock Tuner 2024 Black The Gibson Headstock Tuner precisely tunes guitars, basses, and other stringed instruments by analyzing string vibration instead of sound. The precise piezo sensor and vivid, multi-color display make tuning your instrument in noisy and dimly lit spaces simple. The tuner’s flip-up display automatically powers the unit on when opened, and off when closed. Equipped with a 360° rotatable display, this tuner works great for both righties and lefties alike. Reversible, multi-color displayFlip-up display powers on when opened and off when down360° rotatable displayWide calibration range (410 – 480 Hz)Tunes electric & acoustic guitars, basses, mandolins, banjos, and ukuleles