Features 

• Introduced on tweed-era Fender® amplifiers
• 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 Band-Master®, Vibro-King® and Tremolux™ amplifiers
• Fits most vintage and modern amplifiers