Unit has full piano hinges, easy-access slotted steel key racks with number guides, and numbered key control charts. Secure wafer tumbler locks are all keyed differently so no one key fits any other unit. Steel construction is slotted in back for easy wall mounting. Durable molded plastic keg tags have large easy-to-read numbers and metal snap-hooks. Yellow "Key Loaned" tags are also included with the cabinet. Two keys included. Color coded tags makes this key cabinet even easier to use. Each section of 100 numbers features a different color for more convenient identification of specific departments, floors, etc. Putty finish. 16"Wx6"Dx22"H overall dimensions.