Step up to designer styles and superior security with Kwikset Signature Series products. The 780 deadbolt series is offered in a variety of finishes and certified BHMA/ANSI Grade 2 security. This single cylinder deadbolt can be locked or unlocked by a key on the outside, or the turn piece on the inside. The crisp, clean appearance of the Satin Nickel finish adds to the overall look of the product and brings a modern feel.