National Hardware 42" Zinc Screen Door Turnbuckle is designed to brace, raise, or eliminate sagging on screen or storm doors, providing reliable support and stability. Crafted with steel construction and a zinc finish, this turnbuckle features threaded steel rods that resist rusting when connected to the aluminum turnbuckle body, ensuring long-lasting durability. It comes packed in a visual-pac along with screws for easy installation, making it a practical and efficient solution for maintaining door alignment and performance. Model Number: N117-564