1.Size Information: the metal drapery curtain ring size is approx. 1.26 inch in diameter, the metal curtain drapery pin hook size is approx. 1 x 0.8 inch, proper size fits for most curtain, please make sure the size before purchase; Fits up to 1 inch or smaller diameter curtain rod 2.Sturdy and Reliable Material: the curtain hanging rings are made of quality solid steel, thick and strong, sturdy and not easy to be torn or fall off, hold the curtain firmly and securely; The curtain hooks are made of zinc metal material, it has pin points in the hooks, be careful to scratch your fingers or getting caught on threads in your header tape 3.Pack of 160: you will receive 160 pieces metal curtain hanging rings and 160 pieces metal curtain drapery pin hooks, nice combination and enough quantity for meeting your various requirements 4.Easy to Install: just use the metal curtain hanging ring to through the curtain rod one by one, then attach the metal curtain drapery pin hook to the ring, it's finished and you can try to sliding the curtain easily, no other tools required