Secure your home with this single cylinder , designed for front and back doors. This lock offers reliable protection and convenient access with key operation on the exterior and a twist knob on the interior. Its adaptable to both left and right-handed doors, simplifying the installation process for any homeowner.This is crafted to fit standard door preparations, accommodating thicknesses from 1-3/8 inches to 1-3/4 inches, along with common bore sizes of 2-1/8 inch diameter cross bore and 1-1/16 inch diameter edge bore. Its also compatible with the most frequently used backsets of 2-3/8 inch and 2-3/4 inch, ensuring a seamless fit for a wide range of doors.Built to meet standards for residential security, this provides essential peace of mind. The satin nickel finish adds a touch of style to your entryway, blending seamlessly with various home decors. Invest in a secure and attractive entry point with this durable and easy-to-install .