These FM Approved cabinets are sturdy, all-welded, and have double-wall steel construction. Shelves are included and adjust on 4" centers. There is an electrical ground on each cabinet to aid in the elimination of electric discharge.  Cabinets are ready for use and have leveling feet.  Bunged Air Vents on each side allow for ventilation. Recessed lockable latch with 3 point lock system.