Fuhr genuine gearbox with split spindle function and available with a 35mm backset.
Please note that there has been two variations of latch sizes.Older version is 28mm high and latest version is 33mm...
This genuine Roto H600 genuine gearbox is available with a single spindle and a 35mm backset.
Operation: Lift lever
Latch reversal: Locate the small hole above the latch and insert a 2mm Allen ...
Lockmaster gearboxes are available in 35mm or 45mm backsets with either a double spindle or single spindle mechanism. Bifold door versions of the gearbox are available in 25mm and 28mm backsets.
Doub...