Product Description The SCHLAGE Andover Knob Keyed Entry Lock in Satin Nickel unlocks when the door is opened from the inside, allowing you to leave quickly and conveniently, and re-enter easily. The Andover knob is traditional but versatile, with delicate details and subtle hint of elegance – especially unlocks when wrapped in our versatile Satin Nickel finish. Plus, it’s been designed and tested with strength and durability in mind. Walter SCHLAGE opened his first shop more than 90 years ago-and his company has been a leader in security ever since. By helping people protect their homes and businesses with products that continually advance the state-of-the-art, SCHLAGE has built a worldwide reputation for innovation, craftsmanship, dependability-and above all, strength. From the Manufacturer Walter Schlage opened his first shop more than 90 years ago-and his company has been a leader in security ever since. By helping people protect their homes and businesses with products that continually advance the state-of-the-art, Schlage has built a worldwide reputation for innovation, craftsmanship, dependability-and above all, strength.