This single cylinder provides enhanced security for your home with keyed exterior access and a convenient turn-button knob on the interior. The durable construction and satin nickel finish offer both reliability and a stylish appearance, seamlessly integrating with various door styles. Designed to accommodate standard door preparations, this simplifies installation and ensures a secure fit.This is adaptable to both left and right-handed doors and fits common backsets of 2-3/8-inch and 2-3/4-inch, along with door thicknesses of 1-3/8-inch and 1-3/4-inch. The robust 1-inch latch bolt, plated in nickel, and a 5-pin high security core provide a strong defense against forced entry. Its a practical solution for upgrading the security of exterior doors and maintaining peace of mind.Meeting standards for residential security, this offers a reliable level of protection for your home. The round corner design and satin nickel finish add a touch of modern elegance, while the included faceplate ensures a clean and secure installation. Enjoy the combination of security, convenience, and aesthetic appeal with this essential home hardware component.