Step up to designer styles and superior security with Kwikset Signature Series products. The Key Control Deadbolt is perfect for multi-family dwellings, student housing, assisted living & rental properties. Kwikset's Key Control Deadbolt, featuring SmartKey Security Re-key Technology, is a revolutionary cost and time-saving alternative to master keying. With the first and only two-cylinder Key Control Deadbolt, either cylinder can be re-keyed in seconds, without removing the lock from the door. Retain your one-key access to all units and gain more flexible key management, all while saving time and money. The crisp, clean appearance of the Satin Nickel finish adds to the overall look of the product and brings a modern feel. This single cylinder deadbolt can be locked or unlocked by a key on the outside, or the turn button on the inside. SmartKey Security Re-key Technology allows you to control who has access to your home. Re-key the lock yourself in seconds in 3 easy steps. Have you recently moved or had a child lose a key. It's time to re-key. SmartKey Security provides the highest level of residential security and features BumpGuard to protect against lock bumping.