The M1-34 Ghent 3’x4′ aluminum frame magnetic marker board is unsurpassed in performance and durability. Specifically designed for everyday use. Our M1 Series whiteboards feature a porcelain-on-steel surface that will resist scratching, denting or staining. Due to its steel substrate, M1 Series markerboards accept magnetic accessories. Built to last, M1 Series whiteboards, with their fifty-year guarantee, are the best value when measured over their years of dependable service.