The original Mantis 1 lock has a unique gearbox featuring 86/117mm centres. Please note that older versions of this lock do not have any markings on the faceplate .If you are replacing a 24 or 44mm faceplate lock, please use this product and retain the original faceplate.

Backset: 35mm

Operation: Lift lever or double spindle night latch.

Latch reversal: Undo the screw or screws (depending on the model) in the latch to remove. Reverse, reinsert and replace screw(s).