This Lockmaster features a hook in the central gearbox rather than a deadbolt as well as 2 further anti lift hooks and 4 rollers. Please note that this version is unsprung and should only be used with sprung handles. The associated handles below are all sprung.

Operation: Lift lever or double spindle nightlatch.

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