GU New Style Fastlocking Gearbox - Single Spindle
This GU new genuine gearbox style fastlocking gearbox features an 8mm single spindle, 92mm centres, 35mm backset and will fit new style GU locks only, not compatible with old style versions.
Operation: Lift lever
Latch reversal: Push a flat bladed screwdriver into the small rectangular slot above spindle and pull out latch at the same time. Reverse and reinsert