2 Inch Backset Deadbolt Latch, Square Face - Brass - 40048 Misc. Parts Emtek double cylinder deadbolts have

Emtek double cylinder deadbolts have a keyed cylinder on the outside as well as on the inside

and mounting hardware

3-LINE SHAPE

Interior Stop: Yes

Model: 850-2074564

2 Inch Backset Deadbolt Latch, Square Face - Brass - 40048 Misc. Parts Emtek double cylinder deadbolts havePart Number: 40048 NOTE 1: Will NOT work with National, Dexter, Weiser, Weslock, Schlage, Kwikset, Harloc, Yale, Master Will NOT work on any lock that has a 5 16 diameter spindle. Will NOT work with any lock that has horizontal stud posts; Screw holes MUST be above and below latch NOTE 2: There is a small dimple in the center of the slot on the deadbolt latch this is designed to stop the tailpiece from going all the way through on some applications.