The key cabinet is hung from the wall at your preferred height. 40 Keys For easy identification, the user's name and phone number can be written on each numbered key tag. Every key in the cabinet's key rack has its own numbered hook. The purpose of the numbered paper strip inside the key rack can be typed or written, along with the lock location. Two-key cam locks added an extra layer of security. Maximum protection is provided by the heavy gauge steel construction that is welded together. Key tags are made of pure plastic for long life. Organization and security for business and industry, public authorities, hospitals, schools, hotels, offices, homes, factories, and police stations.