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 Polished Brass finish adds to the traditional look and feel of the product and makes a classic statement.