The Yale Cylinder Nightlatch no.1 Double Security Door Lock is a sturdy and reliable option for enhancing the security of your residential property. Made from polished brass, this door lock by Yale is suitable for use on front doors, front entrance doors, and security doors. With its universal mounting capability, it is easy to install and provides peace of mind for your home. The lock's durable construction ensures that your property is protected against potential intruders, making it a valuable investment for any home owner looking to improve their security measures.