Kwikset 159SQT-S Halifax Double Cylinder Deadbolt – Iron Black

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: Interior Rosette has Exposed Screws and are not Concealed on the Interior Side Solid Zinc Construction ANSI / BHMA Grade 2 Certified SmartKey Re-keying Flush Head Mounting Screws Includes 1″ x 2-1/4″ Round Corner Faceplate Includes Round Corner Strike Kwikset’s Lifetime Mechanical and Lifetime Finish Warranty Key Product Attributes: BumpGuard? Lock bumping is an attack technique used to defeat conventional pin and tumbler locks. Kwikset’s BumpGuard?component utilizes a patented side locking bar which replaces the traditional pin and tumbler design providing protection against lock bumping. SmartKey? This technology allows you to re-key your lock in seconds with 3 simple steps and features stainless steel racks, pins, and side locking bar for increased strength and security. Specifications: Backset: Adjustable to 2-3/8″ or 2-3/4″ Cross Bore: 2-1/8″ Edge Bore: 1″ Door Thickness: 1-3/8″ or 1-3/4″ Projection: 15/16″