Commercial Door 31/32" Backset Narrow Stile Hook Latch Deadlock

This Narrow Stile Aluminum Door Deadlock provides maximum security in a narrow backset lock. Available in a 31/32 inch (25 millimeter) backset, the lock provides a 13/16 inch (20.6 millimeter) throw Hook latchbolt made of 5-ply laminated steel. The lock accepts a standard 1-5/32 inch (29 millimeter) mortise key or thumbturn cylinders with AR MS-type cam.