This gearbox is available in a 35mm and 30mm Backset . If you have a 40mm or a 45mm backset please look at our GU NEW type full multi-point door locks as these gearboxes are no longer available and would have to replace the full lock.
Solid Spindle operation (Used with lever/lever handles - the door will remain unlocked untill locked with the key)
This GU old type gearbox will not fit new style GU door locks.
We have been alerted to some very bad quality GU Old type gearbox’s being sold on auction sites, our GU old type gearbox’s are good quality and have no plastic parts behind the latch. Lockfinder all ways aims to sell quality products.