Drum Pedal Double Bass Pedal Foot kick Drum Set Percussion Dual Pedals New Steel chain drive  Smooth and fast rebound Fully adjustable jointed hinge system  Pedals are completely adjustable 2-way beater with adjustable angle  Stable steel plate on left pedal Fast and solid double cam action with simple execution  Plus spring tension and 3-position stroke adjustment Adjustable stabilizer and detachable bottom steel plates  Comes complete with tuning key and assembly wrench