Fender vintage style single button foot switch for vintage models, nickel plated steel body with black plastic snap-on bottom, comes stock with a single RCA plug termination, approx. 12' long black PVC flat cable. Great for old Fender Reverb Unit, Princeton, Vibro Champ, Tremolux, Bandmaster, Showman and other models. Brand New. Genuine Fender 0994050000. UPC 885978008957. Used for: Princeton®, Vibro-Champ, (Original) Fender Reverb (All vintage amps with a single footswitchable on/off function requiring RCA connection).