Prime-Line 2.25-in Satin Entry Door Flip Lock

Increase the safety and security of your home or office with the Prime-Line U 9909 Chain Door Guard Lock, a reliable solution designed to let you partially open your door while maintaining control and protection. This classic chain-style lock allows for secure viewing and ventilation without fully opening the door, giving you added peace of mind when answering unexpected visitors. Ideal for both residential and light commercial use, this door guard also provides an extra layer of child safety when installed higher on the door, helping prevent children from opening doors unattended. Its versatile design allows it to be installed over or alongside the door casing, making it compatible with a wide variety of door types and configurations. Constructed from durable solid brass, this door guard offers long-lasting strength with a timeless satin chrome finish that complements many interior styles. The included 6-inch, 8-link welded steel chain adds dependable resistance and durability, ensuring secure engagement while still allowing limited door movement when needed. The chain housing measures 3-5/16 inches, providing a compact yet effective footprint. Installation is quick and straightforward, with all necessary fasteners included, making this a convenient DIY upgrade for improving door security. Whether you are looking to enhance entryway safety, add an extra layer of protection, or improve childproofing, this chain door guard is a practical and dependable choice. Overall, the Prime-Line U 9909 Chain Door Guard Lock combines durability, ease of use, and classic design, making it an effective solution for controlled door access and everyday security.