YAMAHA Foot Switch FC5 Sustain Pedal for Portable Electronic Keyboard Japan | eBay
Yamaha FC5 Sustain Foot Switch | Sweetwater
Amazon.com: ENJOYPRO Sustain Pedal for Yamaha Keyboard, Piano Keyboard Pedal with Polarity Switch for Casio, MIDI, Roland Electronic Keyboards and Digital Pianos, 1/4 Inch Jack : Musical Instruments