Designed by Yale Locks, the WS6 Security Door Chain offers a straightforward way to control access at the door while allowing you to open it slightly. Easy to use and simple to install, it holds the door in a partially open position, helping to restrain against a forced attack and giving you a moment to identify a caller before fully releasing the door. Tested to the TS003:2012 DHF standard for door chains and limiters, it’s a practical choice for everyday home security where you want added reassurance without complicating your routine. Key features - Complies with TS003:2012 DHF standard for door chains and limiters - Helps hold the door in a slightly open position - Designed to help restrain against a forced attack - Supports identifying a caller before fully releasing the door - Simple to install - Easy to use - Model number: WS6 Please note: Colours shown are as accurate as possible, though may vary slightly depending on your screen settings.