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.