24" D x 36" W base is 12 gauge steel. Includes 3 trays - 6", 9-1/2", and 13" deep to hold loose items. Uprights are 1-1/2" angle with an overall height of 84". Three bays are 10" wide and include security chains and hooks. Base has punched holes ready for mounting to the floor. All-welded construction, ships fully assembled and ready for use. Durable gray powder coated finish.