Hoppe Single Point Mortise Lock (SPL) - 1/2" Deadbolt Throw, 1-3/8" Backset 

 

PZ (Distance from the center of the handle to the center of the cylinder): 3-5/8 in. (92mm)
Backset: 1-3/8 inch (35 mm)
Deadbolt extends: 1/2 in. (14mm)
Faceplate Width: 5/8 in. (16mm)

IMPORTANT NOTICE: This Single Point Mortise Lock can NOT be used to repair a multipoint lock. There are no interchangeable parts from this lock that can be used on other locks.