Probrico Satin Nickel Double Cylinder Deadbolt with 2 Side(Both) Keyed Round Modern Contemporary Deadbolt Door Lock for Interior and Exterior,1 Pack - Amazon.com
Double Cylinder Deadbolt - Matte Black | Yale
Kwikset Satin Nickel Double Cylinder Deadbolt featuring SmartKey Security 98515SMTCPK4V1 - The Home Depot