This keyed entry door knob provides secure access for exterior doors, offering peace of mind for your home. Designed for convenience, it features a key cylinder on one side and a turn-button operation on the other, suitable for front or back doors. The satin nickel finish complements a variety of home decor styles, adding a touch of modern elegance to your entryway.This door knob is compatible with standard door preparations, fitting 1-3/8-inch and 1-3/4-inch thick doors with a 2-1/8-inch diameter cross bore and a 1-1/16-inch diameter edge bore. Its designed to accommodate the two most common backsets used in the U.S., 2-3/4-inch and 2-3/8-inch, simplifying installation. Enhanced security features, including anti-bump pins, provide an extra layer of protection against forced entry.Certified to standards, this lockset is ideal for residential use, offering a balance of security and affordability. The KW1 keyway with KA3 keying provides convenience, with three keyed-alike locks per cut case. This durable and reliable door knob is a practical and stylish upgrade for any home, ensuring both security and ease of use for years to come.