Nexus lock by Truth Internal Latch, 2-point Double Hook Sliding door mortise lock for wood or vinyl doors.
Double Hook Latch insures greater security.
Used on Pella 250 Patio Door and others
Face plate Width: 25/32" (20mm)
Face Plate Length: 9-5/8" (244.3mm)
Backset: 1-1/16 inch from front of faceplate
NOTE: To change faceplate requires a Torx T-10 bit