Yaheetech Commercial 5 Layer Shelf Adjustable Steel Wire Metal Shelving Rack with Wheels Adjustable and movable versatile 5-tier steel storage shelf, high quality Super durable, adjustable interval height 2 locking, 2 non-locking Secure - 2 locking wheels keep the rack in place Approximate Size: 29.5" x 13.8" x 59.1"((W & D & Max. H)) Material: carbon steel