Product details:

Extra Heavy Duty Shelving With 5 Shelves Wood Deck 48inW x 18inD x 60inH. BOLTLESS SHELVING. Extra Heavy Duty 1500 lb. cap. -- 5-Shelf -- Wood Deck. Fast Assembly -- Reconfigures without Tools. 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. All shelf levels also include double-rivet support for added rigidity. This unit includes 5/8in particleboard decking. Levels adjust at 1-1/2in increments and permit 4-way access. 14-gauge steel uprights measure 2-1/4in x 1-1/2in. Durable gray baked enamel.