YAMAHA FP9C Bass Drum Single Pedal Double Chain Drive Case Genuine Products Jp. Type: Single Drive: Direct Beater Weight: Aluminum 0.1 oz (3 g), Brass 0.3 oz (9 g), Nylon Belt: 1 Drum Keys: Yes. Carrying Case: Yes Developed with inheriting the features of Yamaha foot pedals, the FP9 series is a flagship model that is designed to maximize performance, varied adjustability, stability and durability. Equipped with many functions that allow players to adjust the pedals to their preferred play method, and newly developed parts to support the moving parts for improved stability and smooth performance. Double chain drive model for stable power transmission. Thank you very much!