Deadbolt Functions : Weslock

Single Cylinder: A Deadbolt that locks by key on the outside and a turn piece on the inside of the door. Double Cylinder: A Deadbolt that locks by key on the outside and inside of the door. **Double Cylinder locks on doors used for exiting a building or a home are a life safety hazard in times of emergency and are not recommended**

Single Cylinder (8 Styles)   Double Cylinder (8 Styles)