The Winkhaus replacement stable door gearbox is available for upper or lower sections of the stable door.  The lower gearbox is key operated and has a roller bolt latch for ease of use, whilst the upper gearbox is lever/lever operated.  It is suitable for timber and composite doors and available in a choice of 45mm or 55mm backset. 
- 45mm & 55mm backset options
 
- Lever/Lever operated upper lock
 
- Key operated lower lock with roller latch
 
- Grade 4 corrosion resistant to BS EN1670 European Standard
 
- 92mm centres
 
- Suitable for timber and composite doors
 
- Gearbox only