18"Deep Chrome Wire Shelving Unit with Four Shelves A great means for an entertainment center, this 4 Shelf Unit is capable of holding a variety of heavy electronics and consoles. Each rack shelf adjusts on 1" centers, meaning you can customize this unit to fit your space and storage needs. You can start with a smaller unit, but you'll likely want to add on storage once you see how well these wire shelving racks work! If you're in need of more levels, consider buying a 5 shelf Wire Shelving Unit.