Description | SHELVING, ADD-ON KIT, CHROME, 4SHELVES, Shelving Unit Type:Open Shelving, Height:54", Width:21", Length:42", Shelf Unit Material:Steel, Load Capacity:800lb, For Use With:Quantum Sto | SHELVING, ADD-ON KIT, CHROME, 5SHELVES, Shelving Unit Type:Open Shelving, Height:54", Width:21", Length:42", Shelf Unit Material:Steel, Load Capacity:800lb, For Use With:Quantum Sto | WIRE SHELVING, ADD-ON KIT, 5SHELVES, Shelving Unit Type:Open Shelving, Height:54", Width:21", Length:42", Shelf Unit Material:Stainless Steel, Load Capacity:800lb, For Use With:Quan |