The 2 roller, 2 mushroom GU lock features rollers for compression and mushrooms for extra security.
The 28mm backset version features a black plastic gearbox.
- Push a flat bladed screwdriver into the small rectangular slot above spindle and pull out latch at same time. Reverse and reinsert.
- Overall length – 2285mm
- Distance between mushrooms – 1610mm
- Distance between inner rollers – 670mm
- Bottom deadbolt to spindle – 660mm
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