Adjustable shelf height: The four adjustable shelves of this metal storage cabinet offer adaptability and convenience. No matter what your storage needs are, you can create a unique storage space. Includes lock and two keys: The metal cabinet has a lock and two keys that come pre-installed in each of our garage cabinets, with doors and shelves. You can enjoy a second key that can be used by a co-owner or as a spare key in case of loss.