fully functional c. 1880's antique american ornamental cast bronze "windsor" pattern entrance door flush mount door bolt designed and fabricated by the reading hardware co., reading, pa. the door bolt contains a backplate with original sliding knob or handle. the threaded end (detachable) rod and bronze metal bolt are in great shape, considering age. the backplate contains four screw holes for mounting purposes. two nearly identical bolts available. 1 1/4 diameter, backplate measures 5 1/2 x 1 1/2"