Unique stepdesign base includes twentyfour 31/8" x 31/8" openings for easy access to rolled maps, plans, drawings, and tubes. The four swivel casters give it high mobility. Constructed of white plasticcoated heavygauge steel rods. Includes customfitted bottom dust protector. Overall dimensions: 32"h x 21"w x 14"d. Assembly required. Shipping weight 15 lbs.