Prime cold rolled all steel construction. Oversized pockets to accommodate larger sized literature. Pockets are 12-1/4" wide and 5-3/4" high. Holds literature up to 3/4" thick. Keyhole slots in the back make wall mounting easy. Dura-Hang brackets to allow hanging on office partitions are available as accessories. Ships fully assembled ready for use. Durable black powder coat finish. Opening measures 12-1/4" width by 5-3/4" height by 3/4" depth. Measures 13-1/4" width by 26-1/4" height by 4-1/8" depth.