The Union 2234E 5 Lever British Standard Mortice Sashlock is designed for timber doors, hinged on either side, with keys suitable for doors up to 54mm thick. It features a 20mm deadbolt that locks or unlocks from either side, providing secure deadlocking and strong resistance against attack. The 2234E offers anti-pick, anti-saw, and anti-drill security, with a chamfered bolt design to improve performance during side load testing and resist drilling attacks. It comes with a matching covered escutcheon and has a unique pierced casing to accept bolt-through door furniture. This lock is kitemarked to BS3621:2007, making it highly recommended by insurance companies. It comes with a 15-year guarantee. The deadbolt is brass with hardened steel rollers, and the lock is supplied with a rebate kit (13mm, 19mm, or 25mm) and three steel nickel-plated keys. The lock has a satin chrome forend finish and security box-type striking plate. The case measures 67mm x 111mm, with a 45mm backset (distance from the door edge to the keyhole center) and a 57mm center (distance from the handle follower to the keyhole center). This lock is boxed and provides a high level of security, with the number of levers indicating the security level—higher lever counts offering more security.