The Home Depot has the Muscle Rack 60 in. 5 Shelf Z-Beam Boltless Steel Shelving Unit in $34.98 with free shipping.
- Made of particle board supported by double-riveted beams and brces, and adjust in 1-1/2 in. increments.
- Five adjustable shelves and a 4000 lb. capacity.
- Post connectors allow easy assembly.
- Can be assembled vertically or horizontally.