The Schlage Satin Nickel Single Cylinder Deadbolt with Georgian Entry Door Knob Combo Pack is perfect for use on exterior doors where extra security is needed. The interior Georgian knob design features classically inspired details for timeless appeal. The warm silver tones of Satin Nickel complement light and dark wood grains in addition to a broad spectrum of colors. The knob unlocks when the door is opened from the inside, allowing you to leave quickly and conveniently and re-enter easily. Plus, it was designed and tested with strength and durability in mind.