Commercial Grade Deadbolt | Cal-Royal Gate Latch -Double Deadbolt - Schlage C - US26D made by Cal-Royal.
Do you need a “double keyed” or double-cylinder deadbolt?
Keyed Alike Door Lock Combo 3 Pack with Dead Bolt in Polished Brass,Double Cylinder Exterior Door Entry Handlesets Combination Pack,Wave Style,Left and Right Handing,Double Cylinder Deadbolt Lock - Amazon.com
Best 8T37MSTK - Best Deadbolts - Deadbolts - Commercial Door Locks | QH
Premier Lock Satin Bronze Double Cylinder Deadbolt in the Deadbolts department at Lowes.com
Double-Keyed Deadbolts
TS Distributors | Double Cylinder Deadbolt
Honeywell Double Cylinder Deadbolt Door Lock, Satin Nickel - Walmart.com
Double Down on Home Security with Kwikset Double Cylinder Deadbolts - Kwikset Locks: Smart Security Blog
Kwikset Security 665 Deadbolt Series Satin Chrome Double Cylinder Deadbolt in the Deadbolts department at Lowes.com