The PDP 500 Series Single Kick-Drum Pedal is equipped with a dual-chain-drive, offset cam, auxiliary side base plate, and a side-adjustable toe clamp. The drum pedal has a 2-way beater ball so you can pick the correct beater surface for your playing style. Dual-chain-drive Offset cam Auxiliary side base plate Side-adjustable toe clamp 2-way beater ball