General description UNION's basic range of ESSENTIAL products offers uncomplicated solutions that provide true value for money without compromising everyday performance and quality. The ESSENTIAL 3 Lever Mortice Deadlock is designed for easy installation in many UK mortices, eliminating the need for additional carpentry or damage to the door's edge. This deadlock features a 12.5mm deadbolt that can be locked or unlocked by key from either side, ensuring secure positive deadlocking. Technical specifications Case size: 79mm x 72mm Backset: 58mm Deadbolt size: 12.5mm Forend finish: Chrome Other information MPN: Y-ES-DL-CH-3.0 EAN: 5011802171138