Lasting storage for the home or office Durable 22-gauge welded steel construction. Includes 4 adjustable shelves on 2 centers plus a fixed bottom shelf. Modern recessed three-point locking handle adds security. Heavy-duty base has swivel polypropylene casters 2 of which have side brake locks. Casters allow flush positioning to walls. Optional side push handles (sold separately) are also available to allow you to move your cabinet easily. The handle mounts to either side and includes backer support plate and hardware. Cabinets come fully assembled. Shelves for the 36 W storage cabinets each support up to 180 lb. This product is heavy and/or oversized and may need more than one person to handle.