Maco MK2 Shootbolt UPVc Window Lock Gearbox: BS22
The MACO gearbox is in the centre of the upvc window with two extensions/corners connected to it with serrated teeth connections.
(This item is the gearbox only)
There is usually a code on the side of the gearbox:
Code: RH BS22.
This Maco gearbox is sold non handed.
Its usually marked RH on one side however turning the lock 180 degrees when installing makes it operate LH.