Yamaha DFP9500C Bass Drum Pedal, Double Foot Pedal - Chain Drive and convertible to the Belt Drive, 2 Way Beater, Beater Shaft Locker, Beater Angle Adjustment, Spring Tension Adjustment with Self Lock, Simple Hoop Clamp Mechanism, Spring Roller with Built-in Bearings, Base Frame Tie Rods, Chain Drive, with Floorboard, Convertible to the belt drive and a belt is included.