MR1718 Features: * Each board is framed in a satin anodized aluminum trim * T-Bar Molding System makes installation quick and easy * T-Bar Trim conceals the trim when boards are installed together * Full-length shelf trays * Optional map rail must be ordered separately Includes: * Trays are included on chalkboards and markerboards Construction: * Constructed of a magnetic porcelain steel surface Warranty: * 50-year Warranty on Pocelain Steel Surface