Cendrex PHS High-Security Flush Universal Access Door with Exposed Flange 16 x 16

mortise deadbolt lock, heavy duty butt hinge; Equipped with a heavy duty butt hinge and a mortise deadbolt lock, this access door, made of 10 gauge cold rolled steel, is designed for maximum security. Manufacturers such as Best, Corbin and Ilco produce mortise cylinders that are compatible with these types of locks.