Union c series 3g220 narrow stile detainer deadlock
The union 3g220 directly replaces the old chubb 3g220 narrow locks these have been rebranded and are now sold under the union brand owned by assa abloythe primary use for these locks is in narrow stile doors such as aluminium framed doors glass panelled doors and french doors etc where the border of the door known as the door stile is
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