Two T-47 For Fender Blues Deville Deluxe JR More 6.3V 0.15A Amp Pilot Bulbs. Used on Hot Rod Deluxe™, Hot Rod DeVille™, Blues Deluxe™, Blues DeVille™, Blues Junior™, Pro Junior™, Custom Vibrolux® Reverb, Super-Sonic™ series, Vintage Modified series, Vintage Reissue series, '57 Twin, '57 Deluxe™, '59 Bassman®, '94 Twin, Vibrasonic, '57 Bandmaster™, Vibro-King® and Tremolux™ amplifiers