This Safeware lock features a gearbox with a hook which is a longer version of the Lockmaster centre case.
Operation: Lift lever or double spindle nightlatch.
Latch reversal: Undo the screw or s...
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...
Winkhaus genuine gearbox 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&n...