This Classic black felt covered board with an attractive aluminum frame is precision grooved on 1/4 centers to accept our universal quick change letters to create your own sign in minutes or change to suit your needs. One free set of 3/4 Helvetica letters and assortment tray are included. Assembly: Assembled. Construction: Tempered Hardboard. Frame Color: Clear Satin Anodized. Frame Construction: Aluminum. Interior Color: Black. Type: Without Header. Surface Material: Felt Letter Board. Size: 24 W x 18 H.