This single cylinder provides enhanced security for exterior doors, utilizing a key for access from outside and a convenient twist knob for quick operation from within. The satin nickel finish offers a modern aesthetic that complements a variety of home styles, adding a touch of sophistication to entryways. Designed for standard door preparations, this ensures a straightforward installation process for both homeowners and professionals.This is adaptable to most standard doors, accommodating both 2-3/8-inch and 2-3/4-inch backsets, and fitting doors with a thickness of 1-3/8-inch to 1-3/4-inch. Its suitable for use on front and back doors, providing a reliable security solution for residential properties. The included faceplate is designed with rounded corners for a refined appearance and easy integration with existing door hardware.Meeting standards, this is tested and certified for residential security, offering peace of mind knowing your home is protected. The durable construction ensures long-lasting performance, while the simple design makes it a versatile choice for a wide range of applications. This mechanical is a straightforward security upgrade, excluding compatibility with digital entry systems.