High Quality2-piece door and window kit made of zinc alloy and UPVC limiting corrosion resistance, lighter, lead-free, environmentally friendly. Easy to UseThis 185mm long door security cable is easy to mount on the door or window. Comes with screws. There is no need to purchase them separately. With Keys When the cable is in position, the door/window opening distance is limited. You can easily remove it from one end with the key, after which the door can be fully opened. Training functionThe door and window limiter is designed to limit the distance of opening doors or windows taking into account greater safety for children and pets by preventing incidents caused by open windows or invasion of thieves Wide applicationsThe kit 4 Door and Window Security Cable is perfect for home, public and commercial applications. Total length from 185 mm, suitable for most types of windows and doors.