Step up to designer styles and superior security with Kwikset Signature Series products. The 780 deadbolt is offered in a variety of finish and certified BHMA/ANSI Grade 2 security The crisp, clean appearance of the Satin Nickel finish adds to the overall look of the product and brings a modern feel. This double cylinder deadbolt is operated by a key on both sides. 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.