9000 Series Double pedal. Features: Ball bearing Delta hinge - Double ball bearing spring suspension - Ball bearing axle and stick unit - Single post slave pedal - Precision linkage assembly - Hoop fixation accessible from the side - Two way beater felt/plastic - Infinitely adjustment between round and eccentric gearwheel - Including hardnylon bag - Tri Pivot hoop clamp - Floor plate with anti-slip rubber - Left version