The Schlage Plymouth Bright Brass Entry Door Knob is perfect for use on exterior doors where extra security is needed. The Plymouth knob design features simple lines and a classic shape to compliment a wide range of decor styles. Our Bright Brass finish includes rich gold tones which help to create an inviting space. 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.