Deep Backset, Square Drive Mortise Lock with 2 Hooks, Alignment Lug and Anti-Slam Pin

Used on the PGT 8000 / 8100 series sliding patio doors, Windoor and others.

Specifications:

• Backset: 1-7/16 Inch
• Faceplate Width: 3/4 Inch 
• Faceplate Length: 11-3/4 Inch 
• Lock Body Depth: 1-7/8 Inch 
• Mortise lock, Square Drive
• Markings: U.S. Patent No. 8,931,812 B1 US 10,053,897 B1

Note:

This lock comes in a Square Drive hub