Essentials by Weiser provides an expanded choice of styles and finishes at an affordable price. 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. Featuring SmartKey re-key technology to protect your home while also making re-keying your lock easy.