The UNION 2177 3 Lever Deadlock comes with two keys and features a reliable 3 lever mechanism. It can be keyed alike or keyed differently, with key cutting and workshop services available on request. Designed for doors up to 54mm thick, this mortice deadlock is suitable for 60-minute timber fire doors, compliant with EN1634-1 standards. It includes a brass bolt reinforced with hardened steel rollers for enhanced durability. Please note that escutcheons are not included. This product is backed by a 10-year guarantee for long-lasting security performance.