This standard mortise lock is made of solid steel and features an economical brass-plated face and strike plate. The set comes complete with two skeleton keys and is reversible for left- or right-hand doors.
When using this as a replacement lock, it is important to measure existing cutouts on your door, including the backset, face plate, and mortise pocket. Some modification of your cutouts may be required.
Dimensions. Faceplate: 6" T x 7/8" W. Strike Plate: 3 7/8" T x 15/16" W with 5/8" tongue. Lock Box: 4" T x 5/8" W x 3" D. The distance from the center of the knob hub to the center of the round part of the keyhole is a standard 2 1/4". The backset is 2 1/4".