This Safeware full multipoint lock mechanism features a gearbox with a hook which is a longer version of the Lockmaster centre case. It is a 3 hook, 4 roller mechanism with a backset of 35 mm with lift lever or double spindle nightlatch operation. The distance between outer rollers is 1630mm and between the inner rollers is 810mm. To reverse the latch, simply undo the screw or screws (depending on the model) in the latch to remove it, then reverse the latch, reinsert and replace the screw/s.
