This Union (ex Chubb) 3R35 mortice deadlocking nightatch is a 5 detainer lock with slam action and an automatic deadlocking latchbolt making it ideal for entrances and escape doors.
These detainer style locks provide a higher number of key combinations than lever locks and the Union 3R35 has a hold back snib that can be used to keep the latch in the withdrawn position.
Ideal for timber doors up to 50mm thick.
Supplied with 2 keys and a keep.
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