Keter Plastic Heavy Duty 4-Tier Utility Shelving Unit (48-in W X 18-in D X 60-in H), Black, (400-lb Capacity Per Shelf) 242820 At

AR Shelving Heavy-Duty Garage Shelving - 4 Shelf Cold-rolled steel frame for stability Boltless rivet design for easy assembly Shelves of rack can be adjusted every 1.6in. load capacity per shelf, uniformly distributed, with safety factor of 1.5 Frame is made of 19-gauge cold-rolled steel Can be assembled as one full unit or two separate units Each level has 2 center support beams for added strength and stability Particleboard decking