Expect top performance with rugged steel shelving that features super-strong roll-formed steel framing with positive interlocking beam-and-post connections for quick assembly. Top and bottom shelf levels also include double-rivet support for added rigidity. This unit includes shelf supports and 5/8" particleboard decking. Levels adjust at 1-1/2" increments and permit 4-way access. 14-gauge steel uprights measure 1-1/2" x 1-1/2". Durable gray baked enamel., Lot of 1