Home Depot has Edsal 4-Shelf Steel Shelving Unit ( 60" H x 36"W x 18" D) in Black (Model# UR-364BLK) for $41.98 w/ Free In-Store Pickup.
Also avail:
Muscle Rack 72" H x 36" W x 18" D 5-Shelf Steel Boltless Particle Board Shelving Unit in Gray (Model# SR100P-GY) $44.98