Deluxe combination cabinets feature built-in ventilation louvers to allow airflow. Up to four knuckle hinges are used to maintain door alignment. Raised base keeps contents from floor moisture. Heavy-gauge steel construction includes 16-gauge door frame. Reinforced doors lock at three points for maximum security. Shelf support tabs allow shelves to be adjusted in 2" increments for flexibility. Two adjustable levelers compensate for uneven floors.