The Union L2C25 Euro Deadlocking Mortice Nightlatch offers secure locking for timber doors with a reversible stainless steel latch bolt, allowing flexible installation on either side. Operated by key from outside and handle from inside, its anti-thrust bolt ensures automatic deadlocking when the door closes. Designed to accommodate bolt-through furniture with 38mm centres, it supports unsprung levers weighing up to 0.75kg. This lock is EN 1634-1 rated for 60-minute timber fire doors and complies with DDA requirements, BS8300, and Approved Document M, making it ideal for both security and accessibility.