Old style GU Ferco latch only, 4 roller locks which are easily identifiable by their 70mm centres.
- Overall length - 2200mm
- Distance between outer rollers - 1405mm
- Distance between inner rollers - 446mm
- Deadbolt to bottom roller - 362mm
- Depending on date of manufacture either:Push the latch in to reveal a screw in side of case. Undo screw to remove the latch, reverse, reinsert and replace screworInsert small flat bladed screwdriver in the small slot on side of case marked R/L. Push upwards to release latch, reverse and reinsert