This new rack case has no fronts or backs. Inside dimensions is 1 space (1.75") tall, 19" wide, and 6 " deep inside. Outside, the rack is 21" wide, 3.5" tall and 6 " deep. Edges are rounded over for better durability and feel. Black carpet is very tough and durable. Pretapped metal rack rail is recessed in 1/2" from the front. Top and bottom are 1/2" 5-ply, and the sides are 5/8" 5-ply, plywood construction. Shipping is Free anywhere in continental US.   No PO boxes! We make custom items too!