Window handles are easy to install, simply pre-drill holes in the appropriate places on the window or door and align the screws with the screw holes to secure the front of the window or door. Window handle adopt made of strong material,thick, durable, and not easy to rust.and our smooth handles can prevent the surfaces of windows and door frames from abrasion.a ideal accessory to ensure the safety of windows and houses. Our window handles are suitable for , aluminium windows, sliding doors and are a practical tool for replacing your old doors or building new ones. The surface of the window handle is polished for a smooth feel and protects the surface of the door or window frame from wear and tear, suitable for most windows. Universal Window Handle: Our locking replacement handles are suitable most common window types. Can be used for both left and right hand operations. Widely used for UPVC, aluminium windows, Manufacturer: NLQCSXWEP