D'Addario PW-CT-12 NS Mini Headstock Guitar Tuner:
The D'Addario Micro Headstock Tuner is a feature-packed tuner your audience will never see. This highly accurate tuner features a full-color display with four selectable viewing angles (two vertical, two horizontal) in a housing that blends with the aesthetics of any instrument. The advanced tuning algorithms allow you to tune in noisy environments, while the ratchet clamp securely attaches to the instrument to hang tight during live performance. Its so small, convenient, and accurate, youll want one for every instrument you own.