ABS body, metal ball bearing rail, A-aluminum columns B-plastic-steel columns, IV pole, dust basket, utility container, file bag, defibrillator shelf, oxygen tank holder (optional), CPR board (optional), sliding side shelf, concave top covered with transparent soft plastic glass, centralized lock, 2 small and 3 big drawer, inner with partitions can be well organized, drawers repositioned easily, luxurious noiseless casters.