Universal Foot Sustain Pedal Controller Switch For Electronic Piano Repair Sustain-Pedal Sustain foot pedal or controller For synthesizers, tone modules, and drum machines Compatible with all electronic keyboards The Universal Sustain is a simple, compact and sturdy sustain pedal for electronic keyboard. The Universal Sustain Pedal is perfect for any application that requires a non-latching momentary switch. It is compatible with all electronic keyboards. size: 10*7.5cm