Ironmongery Solutions® Double Locking Nightlatch Door Lock – High Security External Door Night Latch for Wooden Doors (Boxed, Sat Nickel Bdy, Satin Cyl, 40mm)

• Double locking nightlatch for enhanced external door security
• Prevents internal handle operation when locked from outside
• Automatic locking latch for convenient everyday use
• Durable construction for long-lasting reliable performance
• Easy surface-mounted installation with all hardware included

The Double Locking Nightlatch Door Lock is designed to provide enhanced security for external wooden doors by preventing internal operation when the door is locked from the outside. This added protection makes it an ideal choice for residential and light commercial applications where increased resistance against forced entry is required. The nightlatch automatically engages when the door is closed, offering everyday convenience combined with dependable security. Constructed with durable internal components, the lock delivers smooth and consistent key operation while maintaining strong latch engagement over time. The double locking feature restricts internal handle movement when locked, helping to deter manipulation through the door and improving overall door security. Its surface-mounted design allows straightforward installation using standard tools, making it suitable for professional installers and competent DIY users. This nightlatch works effectively as a primary locking solution or as an additional layer of security alongside other door hardware. Its clean, functional appearance suits both traditional and modern door styles. Supplied complete with essential hardware fittings, the Double Locking Nightlatch Door Lock ensures a secure, efficient and professional installation.