The Defiant Hartford Satin Nickel Combo Pack with Single Cylinder Deadbolt is a modern and secure door lock solution suitable for residential entry doors. The sleek satin nickel finish adds a stylish touch to the exterior of your home. With ANSI Grade 3 security rating and a durable steel construction, this deadbolt offers good protection for your property. The combo pack includes the necessary hardware for easy installation, and the round knob design with a 2" diameter is both functional and aesthetically pleasing. Upgrade your home's security with this high-quality and reliable deadbolt from Defiant.