Product Name: Union 3K74E British Standard 5 Lever Mortice Sashlock 67mm Satin Chrome Visi Finish: Satin Chrome Default Keys Supplied: 3 Keys Backset: 40mm Case Height: 108mm Case Widths: 67mm Faceplate Length: 153mm Faceplate Width: 25mm Security Rating: BS3621:2007, British Standard Centres (PZ): 57mm Handing: Non-Handed Manufacturer: Union Locks Benefits of the Union 3K74E British Standard 5 Lever Mortice Sashlock: Enhanced Security with 5 Lever Mechanism Comes with 3 Keys for Added Convenience Stylish Satin Chrome Finish for a Modern Look Meets British Standard Security Rating for Peace of Mind Why Choose the Union 3K74E Sashlock? Reliable Protection: Safeguard your property with the robust 5 lever mechanism. Convenient Access: Receive 3 keys to easily access your locked spaces. Elegant Design: The satin chrome finish adds a touch of sophistication to your doors. Trusted Security: Rest assured knowing that this sashlock meets British Standard security