This ABT Gibbons genuine gearbox formed part of a 1 piece lock which is no longer available. It is also known as the Zenith Staybrite or St Helens glass door lock and was available with concealed shoo...
This Winkhaus genuine gearbox cases are held onto the strips by pins. To remove the pins tap them out with a punch (the centre pin must be accessed by undoing the screw in the case) and reattach by re...
Fuhr genuine gearbox with a key wind function and a 35mm backset.
Operation: Key wind
Latch reversal: Undo the screw in the side of the lock case adjacent to the latch. Remove the latch, reverse, re...
This ABT Gibbons genuine gearbox formed part of a 1 piece lock which is no longer available. It is also known as the Zenith Staybrite or St Helens glass door lock and was available with concealed shoo...