Open face wood changeable letter board - 36" H x 24" W. A classic felt covered board that is precision grooved on 1/4" centers to accept our universal quick change letters featured on below. Create your own sign in minutes and change it at will to suit your current needs. Standard Board feature a black felt letter panel in vertical or horizontal landscape. 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.