This top-quality, scratch- and dent-resistant porcelain on steel chalkboard will withstand years of heavy use! Provides an excellent writing surface plus it's magnetic, doubling its use as a bulletin board. Satin finished, anodized aluminum frame is heavy-gauge for extra strength. Full-length chalk rail has protective plastic end caps. Includes heavy-duty L-clip installation kit. Board Type: Chalk; Board Width: 144 in; Board Height: 48 in; Board Depth: N/A.