A split spindle version of the ever popular 4 roller GU multipoint lock.
Operation: Lift lever or split spindle nightlatch.
Latch reversal: Depending on date of manufacture either- Undo screw or screws in the latch, remove, reverse and reinsert. Push a flat bladed screwdriver into the small rectangular slot above spindle and pull out latch at same time. reverse and reinsert. Technical Information-