Mortise storm and screen door lock, 1-3/4 backset

Storm and screen door mortise lockset for wood and metal doors 7/8 inch to 1-3/8 inch thick.
Interior locking mechanism.
Round outside knob and lever action inside handle is primarily used on wood doors.
Solid brass Construction is available in several finishes.
Color / Finishes: Polished Brass US3, Satin Nickel US15 and Oil Rubbed Bronze US10B.
Backset: 1-3/4 inch (45 mm)
Latch Bore Diameter: 5/8 Inch (16 mm)
Latch Bore Depth: 2-3/4 Inch (70 mm)

NOTE: The backset from the edge of the door to center of handle is 1-3/4 inches.
Old Style Backsets were 3/4 and 2-1/4 are not available - use 1-3/4 In and drill new hole.

Priced and sold each.