double-cylinder-function 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. Schlage deadbolts safeguard your home and family with superior protection against attack by crowbar, hammer, wrench, saw, lock pick and kick-in. With that kind of security, you can spend less time comparing brands and more time deciding on a style and finish. Adjusts to fit all standard door preparations Faceplates (Part 12-087): Supplied with 1/4" Round Corner, Square Corner and Drive-In Faceplates Strike Plates (Part 10-116): Supplied with a Round Strike only with Dimensions of 2-1/4" x 1-5/8" The new B-Series deadbolts have imp.
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