Is my door suitable for installation? Blair April 02, 2019 10:36 Updated The DB series can be installed on any door between 35 - 50 mm thick. Related articles Why is Alfred failing to lock? What tools do I need for a standard installation? What tools do I need to drill holes? Handing Switch How do I restore my Alfred DB series to factory settings? Comments 0 comments Please sign in to leave a comment.
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