General description The Union 2134E British Standard 5-lever mortice deadlock is designed for external timber doors hinged on either side, suitable for doors up to 54mm thick. It features a 20mm deadbolt that provides secure locking and enhanced resistance against forced entry. The lock is equipped with anti-pick, anti-saw, and anti-drill security measures, along with a chamfered bolt design that improves performance under side load testing and makes drilling attacks more difficult. It is supplied with a matching covered escutcheon for a neat finish. Technical specifications Finish: Satin Chrome Case Size: 67mm x 71.5mm (2.5 inches) Backset: 45mm (distance from door edge to center of keyhole) Deadbolt: Brass with hardened steel rollers Rebate Kit: 2954 (available in 13mm, 19mm, or 25mm) Keys: Supplied with 3 nickel-plated steel keys Key Blank Number: KB430 Security Level: 2-5 levers (higher number indicates higher security) Compatibility and accessories Suitable for external timber