Dixon PP-PKD K Series Double Chain Drive Double PedalDixon PP PKD K Series Double Chain Drive Double Pedal Specifications Driven system Double chain CAM system Footboard Smooth footboard for rapid response Footboard height adjustment Independent adjustment Beater See through blue dual surface beater (memory lock included) Beater angle Adjustment Independent adjustment Spring tension adjustment Easy adjustment with locking nut Hoop Clamp Wing bolt Base Plate Sturdy base plate with built in spurs and