Ludwig LAP12FPR Double Bass Drum Pedal, Atlas Pro Series, Monarch dual-chain Drive Cam: Delivers smooth, fluid action without sacrificing power, Customize feel and position with footboard angle, beater angle, and spring tension adjustments, Multi-Positioning Hoop Clamp, SpurLok Heel Plate Anchors, Bronze sleeve bearings, Atlas drum key with storage clip on the baseplate, Stainless-Steel Drive Shaft,