DW 9002PBL Double Pedal, Double Bass Drum Pedal, Left side model, Pedal, Ball-bearing delta hinge, Ball-bearing, free-swinging spring suspension, Ball-bearing axle and mallet unit, One-column slave pedal, Precision cardan shaft, Lateral fixing screw, Base-plate and foot plate made of aluminium, Double-sided felt / plastic mallets, Stepless adjustment between round and eccentric drive, Includes carrying case (soft case)