Metal locks; locks and parts thereof namely escutcheon plates; and metal door hardware, namely, door locks comprised of deadbolts, levers, knobs, cylinders and handle sets, door knobs, door knob working trim, metal door reinforcing units comprising metal sleeves and metal brackets, extension rings for door knob sets, non-locking latch strikes, escutcheon plates, non-locking latches, non-locking latch bolts, door handles, latch backset extension links, door latches, and door hinges.