Interlock Optimum hinged door 2-4 point mortise lock with 2 inch backset. Used by many aluminum door manufacturers, and to replace damaged or missing mortise lock in hinged doors. When deadbolt is extended the spring latch becomes rigid and creates another locking point.

Model: Optimum
Backset(s) Available: 30, 40, and 50 mm
Handle to Cylinder PZ: 3-5/16 inch (85mm)  3.346
Deadbolt Throw: 15/16”  (24mm) .0945
Faceplate Width: 15/16 inch  (24mm) 0.945
Faceplate Length: 8-1/4 inch (210mm) 8.268
Spindle Hub: 5/16 inch (8mm) 0.315
Markings: Interlock Assa Abloy
Material: Zinc, Steel, Stainless Steel