48"" Wide 79"" Tall 24"" Deep steel shelf gives garages extra room for wheels, vacuums, long tools. Cold-rolled 0.5 mm frame holds 4 000 lb each level supports 1 000 lb. Beams and posts are thick, bolted, braced, powder-coated against rust. Shelves move in 1"" steps split the frame and make two 40"" high racks in minutes. Two people, ten minutes, one wrench parts bagged, instructions pictured. weight: 0.05 pounds. Length: 23.70 inch. Width: 47.30 inch. Height: 78.80 inch.