The Schlage single cylinder deadbolt and keyed Georgian knob in satin nickel are perfect for use on exterior doors. The knob unlocks when the door is opened from the inside, allowing you to leave quickly and conveniently and re-enter easily. The deadbolt adds an extra layer of grade 1 security. The modest Georgian knob features symmetrical detailing throughout and works well with a variety of styles when finished in the versatile satin nickel. Plus, it's been designed and tested with strength and durability in mind.