Fender Standard Amplifier Hardware Mono Amp Jack. 'High tech' modern box style 1/4" amp jack, four printed circuit board mounting solder 'blades'. Black plastic box with plastic threaded input bushing with chrome insert inside, nickel plated fastening nut and flat beauty washer are included. As found on many new Fender amplifiers having printed circuit board construction. You won't find these on the wall at Radio Shack. Fits Princeton® Chorus, Pro 185, BXR series, Stage™ 112SE, Ultimate Chorus™, Roc Pro™ Series, Performer series, Bronco™, '94 Twin®, Princeton 112+, Deluxe 112+, Automatic™ GT and Blues Junior™ amplifiers. Brand New. Genuine Fender 0990912000. UPC 717669505707.