Commercial Grade Deadbolt | Cal-Royal Gate Latch -Double Deadbolt - Schlage C - US26D made by Cal-Royal.
Adjustable Deadlatch 2-3/8'' or 2-3/4'', Keyless Entry Door Lock Replacement Latch,Smart Door Lock Deadlatch,Security Door Latch, Smart Door Locks Accessories by Nyboer - Amazon.com
Kwikset Pb 660 Deadbolt Latch in the Door Latch Bolts department at Lowes.com
Emtek EMDBL234S19 Deadbolt Latch with 2-3/4 Backset and | Build.com