With Key Override. The BORG LOCKS BL3100 single sided digital lock is designed to suit metal box section gates with a thickness of 30mm - 60mm and features an external keypad unit and a free-turn inside handle with optional holdback. Supplied with an adjustable spring loaded latch, this lock utilises a forend fixing system for increased security and ease of fit. Complete with a marine grade finish, these reversible units have been salt spray tested over 1000 hours and are available with the option of a deadlocking key override. The lock features an Easicode Pro (ECP) quick code changing mechanism, allowing for a quick on-the-door code change.. Key override option available. Suitable for gate thickness 30mm - 60mm. Reversible handing. Adjustable spring loaded catch