Product Detail Stainless steel drive shafts Footprint is more compact than other bass drum pedals Footboard design provides the feel of a longer board without the additional weight and mass Footboard angles and beater angles are independently adjustable Reversible beater heads come with interchangeable 0.35 oz. and 0.75 oz. inserts, letting you choose your desired degree of centrifugal force . The "Mapex Falcon Double Bass Drum Pedal" is best product for you. We recommended Mapex Falcon Double Bass Drum Pedal