Amazon.com: JINWEE Sustain Pedal for Keyboard,Universal Sustain Pedal with Polarity Switch Compatible with Most Digital Pianos, Yamaha, Casio and MIDI Keyboards(Black) : Musical Instruments
Casio SP-20 sustain foot pedal - musical instruments - by owner - sale - craigslist
Casio SP-20 Sustain Pedal – Thomann United States
Sustain Pedal for Casio AT CTK LK PX WK Series Keyboards Synthesizers SP10 SP-20 | eBay