Description This is a polished brass 5-lever mortice deadlock designed for enhanced security and ease of installation. It features a radius inner forend that allows installation in many UK door mortices without additional carpentry. The lock has a chamfered bolt for increased performance under side load testing and resistance to drilling attacks. It includes anti-pick and keyhole protection to prevent forced entry, with hardened steel pins for sawing resistance. The deadbolt can be locked or unlocked with a key from either side and measures 20mm for secure deadlocking. It can be keyed alike with model 2205S for convenience. Specifications Finish: Polished brass Case size: 81 x 89mm Backset: 57mm (distance from door edge to center of keyhole) Deadbolt length: 20mm Number of levers: 5 Compatibility and Accessories Compatible with standard UK mortice doors Can be keyed alike with model 2205S Installation Designed for easy installation in many UK mortices without additional carpentry