UNION JL2C25 DIN Euro Nightlatch CaseUNION 2C25 DIN Euro Profile Deadlocking Mortice Nightlatch Key operation from outside and single operation from inside European style casing with 72mm centres which accommodates most euro profile cylinders Satisfies recommendations of BS8300 and approved Doc M Easily reversible latch bolt, latch bolt is automatically locked against end pressure by the anti thrust bolt En1634 1 use on 60 min timber fire doors 5 year guarantee