Welcome to our factory's new uPVC lockable window/door cable restrictor child safety cable lock, model number ZC678. This product is specially designed to offer added security and safety to homes and buildings. The restrictor is made of high-quality materials and meets all safety standards. With a cable length of 20cm, it allows for a maximum opening of 10cm, which will prevent children from falling out of open windows or doors, while still allowing for ventilation. Our factory ensures that every product goes through rigorous testing before it is packaged and shipped to our valued customers. Trust us to provide you with a reliable and effective safety product. Order your uPVC lockable window/door cable restrictor today!