This shackle bow helps protect the nylon sling or the sling from wear Used to connect chains and wire ropes, strong, durable and resistant to rust The D-shaped bow shackle is made of premium steel material for heavy duty and longer life use Suitable for leather crafts, can be installed on your favorite belt, keychain, leather case, etc. Zinc-plated and electro-galvanized for excellent rust resistance, corrosion resistance and good resistance to crystal corrosion