ABT Gibbons Gearbox Without Snib - Used on UPVC Profiles.

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 or as part of a 3 point locking mechanism. None are manufactured but the gearbox is normally the part that fails. This version does not have a snib and was commonly used on doors. Reverse, reinsert and replace . Not supplied with faceplate, strike plate or fixings. Brackets are threaded Aluminium version with snib also available.

Operation: Lever/Lever