All-welded steel construction, ready to use. Single tier rack has 20" high dividers with 10 1/2" space between the dividers. Double tier rack has 20" high dividers on the bottom with 10 1/2" space between the dividers and 14" high dividers on the top with 8 1/2" space between the dividers. Capacity: 600 lbs. Durable Kleton blue enamel finish. Size: 48"W x 18"D x 22"H