Sonor Has Re Imagined The Killer New Line Of 4000 Series Hardware. The Feature A New Footboard Design, Independent Pillar Construction, Infinite Adjustment Of Beater Holder, Ball Bearing Hinge At Heel Plate, And An Anti-Slipping Base Plate. It Has A Sturdy Double Pedal Connection Rod, Taken From Giant Step Series, 2 Way Beater, And The Bag Is Included.