A reversible mortise lock that measures 3-3/8" x 4-1/2" high with the edge plate being 1" x 6 inches long. From the center of the door knob hole to center of the privacy hole is 2-1/4 inches with a 2-3/4 inch backset. This lock will also except thumb latch handles on the bottom of the lock.Please take a look at my other hardware items in my store, thank you.