Introducing the ERA 362 BS Fortress 5 Lever Mortice Sashlock Enhance the security of your home with the ERA 362 BS Fortress 5 Lever Mortice Sashlock in a stunning Polished Brass finish. This boxed set comes with 2 keys for your convenience. Key Features: Backset: 56mm  Case Height: 109mm Case Width: 79mm  Faceplate Length: 162mm Faceplate Width: 25mm Security Rating: BS3621:2007 British Standard for peace of mind Centres (PZ): 57mm Product Details: EN 1634-1 Assessed For Use On 30 and 60 Minute Fire Doors Kitemarked for quality assurance Conforms To BS3621:2007 for top-notch security Manufactured by Era Locks, this sashlock is designed to provide you with the ultimate security solution, meeting all your needs and expectations. Upgrade your home security with the ERA 362 BS Fortress 5 Lever Mortice Sashlock today!