Description The Yale P1037 range of door chains provides a simple and effective way to identify visitors before fully opening the door. These surface-mounted security accessories are easy to install and can be fitted in minutes, offering added peace of mind and security for your home. Specifications Finish: Brass Type: Door Chain MPN: YALP1037PB EAN: 5010608103718 Compatibility and Accessories Designed for standard doors where a door chain is suitable for added security and visitor identification. Installation Surface-mounted installation requiring minimal tools and time. Fitted directly onto the door surface for quick setup. Usage Use to securely identify visitors before fully opening the door. Provides an additional layer of security by allowing partial opening.