Crank System: 1 Set Back Plate Air Spring:1 Set ABS Side guardrail: 1 Set 6"castors with central locking system: 4 pcs Directional wheel: 1 pcs Central Locking pedal: 2 pcs Directional pedal: 2 pcs IV Pole: 1 Set IV Pole prevision: 2 pcs Oxygen Bottle holder: 1 pcs Transfer mattress: 1 pcs