Yale Yale 800 Series Double Cylinder Key Entry Deadbolt from the New Traditions Collection

Double Cylinder Function: The deadbolt is thrown and retracted by a key from either side. As you will not be able to unlock this from the inside without a key, please check your local fire code to ensure this is allowed before purchasing. Features: Exceeds criteria for BHMA Grade 3 security certification Constructed of solid brass for lasting durability Installs in standard prep doors with door thickness of 1-3/8" to 1-3/4" inches Includes a round corner latch faceplate Covered by a Limited Lifetime Fini...