Discontinued. Replace with new lock and strike plate: #15214-YDI - Multi-point ( 2-point) Mortise deadlock with two hooks for Metal or Vinyl sliding glass doors.

This Mortise lock had a small faceplate or sometimes no faceplate.
Lock Type: Two-Point Mortise Lock with Offset Drive
Faceplate Color: No Faceplate
Material: Steel - Yellow Dichromate
Applications: Vinyl or Metal doors
Hooks: 2 point Outward
Compatible Face Plate Measures 5/8 x 9-7/8 inches.
Plate Installation Screw Holes 9-3/8 inches apart.
Actuator Slot: 3/4 inch Off center
Handle Screw Holes: 3-15/16 inch

See additional Pictures / Line Drawing

Related 2 point lock Hardware: DISCONTINUED 
15202 - Flat Face Plate - Mainly Vinyl Doors 
15203 - Recessed Face Plate - Mainly Wood Doors