Readi-safe in Wall Safe W/key Heavy Duty Steel Construction: 10 guage steel is used to protect the contents. Front panel and door are double laminated for additional security Two Heavy Duty Dead Bolts: Dead bolts are designed to hold the corners of the door down to resist prying. Concealed Hinge: The special hinge design allows the door to swing out of the way. Concealed design is virtually tamper-proof. Medeco High Security Lock System: Offers enparalleled security and are tested by Underwriters Laboratories. Adjustable Shelf: Felt lined shelf is adjustable to accommodate various needs. The shelf may be removed to allow over-sized objects.