Design: The curtain rings have a large ring for the curtain rod and a small ring for the curtain clip. Installation: Thread the curtain rings onto the curtain rod one by one and attach the curtain hooks to the small ring, so the curtain slides easily. Made of heavy-duty metal and with a strict design, good load-bearing capacity and never deforms or falls out suddenly. Well-polished and smooth surface without burrs that snag the curtain, eliminating jerks and pulls in the curtain. Widely used for most types of curtains in different colors, heavy curtains or light curtains. Material: Iron Inner diameter: 38 mm, suitable for 33 mm curtain rods Outer diameter: Approx. 45 mm Ring size: Metal wire width approx. 4 mm Small ring inner diameter: 6 mm Color: Silver Package contents: 80 x curtain rings Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.