On-Stage KSP100 Sustain PedalA full size piano style pedal that is perfect when you need a sturdy and responsive control over sustain! This high quality pedal features a polarity switch making it compatible with virtually any keyboard. The heavy duty spring allows for better control and durability. Compatible with any electronic keyboard with a sustain jack, including Yamaha, Casio, Korg, Roland and MORE! Full size piano style pedal. Polarity switch for universal compatibility.