Fender 1-Button Channel Amplifier Amp Footswitch for FM, Mustang, Blues Junior

Fender Single-Button On/Off Footswitch

Genuine Fender One Button Footswitch

Fender Channel Select Footswitch Single Button Accessory for Guitar Amplifier

Fender One Button on/off Footswitch for FM and Blues Jr, MPN 0994049000

1-Button Economy On-Off Footswitch (1/4" Jack)

Fender Amp Channel Select Selector Foot Pedal Reverb 0028122000 2 Button Twin

Genuine Fender One Button On/Off Footswitch - jack plug, 099-4049-000