The D'Addario PW-CT-12 Micro Headstock Tuner in Black is a reliable clip-on tuner suitable for a variety of guitars, including acoustic, electric, and bass. This compact tuner is designed to be discreetly attached to the headstock of your guitar for easy and accurate tuning. Whether you are a beginner or a seasoned musician, this tuner is a convenient accessory to have in your collection for keeping your instrument in tune during performances and practice sessions.