High Quality1 piece door and window kit made of zinc alloy and UPVC limiting corrosion resistance, lighter, lead-free, environmentally friendly. Easy to Use This 180mm 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 opening distance of the door/window 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 opening distance of doors or windows, taking into account greater safety for children and pets by preventing incidents caused by open windows or burglar invasion. Wide ApplicationsThe door and window security kit is perfect for domestic, public, and commercial applications. Total length from 180 mm, suitable for most types of windows and doors. Product size: 180 * 17 mm Product color: white Delivery quantity: One piece