Provides easy access to stored items from all sides. Super-strong roll formed steel framing with positive interlocking beam and post connection. 2-1/4" x 1-1/2" x 14 gauge uprights. Beams adjust vertically on 1-1/2" increments. Choose the size that match your needs. Fast, easy assembly in less than half the time of conventional shelving. No tools, nuts, bolts, clips or cutting required. Durable gray baked enamel finish.