Enclosed Aluminum Directory Cabinet - 36" H x 48" W Message Centers have Inset Door Style. Standard features include: Lockable doors,acrylic safety glass windows, continuous hinges, concealed mounting brackets and a slotted background. Enclosed aluminum directory cabinet / letter board by Aarco. Since 1975 Aarco products inc. Has manufactured a full range of visual communication products made of the best and most durable components, yet are moderately priced and remain a stellar resource for the industry. This item is made to order. Please allow an additional 7-10 days for production of this item.