All polyplastic window fittings are available in either a 'standard' scre-on fitting or the more recent variant of the slide-on 'polyfix' design.
The slide-on 'Polyfix' design is easily identified by the deep groove moulded into the back of the window fitting, which slides over the adapter fitted to the window.
Small window stay without lever lock for polyplastic windows. Perma-Fix End Slide on fitting. Nominal length when closed 140mm. Right hand
Top fitting for the polyplastic window stay with two holes for screwing to the window frame. Including roll pin. Simple to fit. Fits Left & Right. Comfortable finger grips. Very tough. Attractive finish