This is a Hermidia Audio Zendrive overdrive pedal. This is one of two made to help the then ailing Bob Sweet - the other one is pink or red as I recall. It is a regular Zendrive, with nicer knobs. The case has been finished by the people that finish all of Brad Paisley's guitars and equipment. The pedal was signed by Brad Paisley, and there is a sheet of clear plexiglass on the top to preserve his signature.
