D'Addario Eclipse Headstock Tuner, BlackAffordable no longer means compromise. The DAddario Eclipse Tuner is a modestly priced tuner with unparalleled performance. The Eclipse chromatic clip on tuner offers fast, accurate chromatic tuning on and off the stage. The tuner features a full color vertical display, auto power off, and pitch calibration in a discreet, compact design. The multi swivel action allows for the perfect viewing angle and can be mounted in front of or behind the headstock