The Design House 595702 Square Single Cylinder Deadbolt offers reliable security and a sleek, contemporary design for your home. Finished in a durable matte black, this deadbolt provides a stylish and secure solution for both front and back doors. Its designed to accommodate the two most common backsets in the United States, 2-3/4-inch and 2-3/8-inch, ensuring a seamless fit for a wide range of doors. This versatile deadbolt is suitable for standard 1-3/8-inch and 1-3/4-inch thick doors and features a 2-1/8-inch cross bore or a 1-1/16-inch edge bore. Easy to install, the included faceplate with a 1-inch x 2-1/4 inch radius corner adds a refined touch. Built with quality and durability in mind, the 595702 deadbolt is ANSI Grade-3 certified, meeting residential security standards and providing peace of mind. The single cylinder design allows for convenient locking and unlocking with a key on one side and a twist knob on the other, making it a practical and secure choice for any homeowner.