The sash window stop (with key)?is designed to be installed in the inside top frame of the upper sash window. ?Supplied as a set (2 stops & 4 threaded inserts), depending where located in the frame it allows the window to be opened partially for ventilation or secured in a closed position. Comes with a 10 year mechanical guarantee.

Order by 2pm for UK delivery within 2-3
working days (excludes custom-made items & lighting)