A 2 hook, 4 roller lock that was used predominantly on UPVC doors until the mid 2000?s.
- Overall length - 2200mm
- Distance between outer rollers - 1600mm
- Distance between inner rollers - 680mm
- Distance between outer hooks - 1234mm
- Distance between inner hooks - 594mm
- Undo the screw in the side of the lock case to remove the latch, reverse, reinsert and replace the screw.