D'Addario Micro Clip-Free Tuner

Micro Clip Free Headstock Guitar Tuner
The ultimate in discreet tuning, the Micro Clip-Free Headstock Tuner features a full-color display with four selectable viewing angles (2 vertical, 2 horizontal) in an attractive, compact design. The included clip-free mount attaches directly to your instrument’s tuning machine (screws included) so your tuner is always at hand and visible only to you.

No Drilling! The tuner mounts to the guitar’s tuning machine.
Full-color display with 4 selectable viewing angles.
Tri-color reversible backlit LCD screen makes it easy to tune in dark environments while allowing mounting in front or behind headstock.
Wide calibration range (410Hz to 480Hz)
Tune in noisy environments