[CURTAIN RINGS] You will receive 40 curtain rings with clips. Made of high-quality iron alloy with a durable coating for long-lasting rust resistance, the stronger tension clip easily holds heavier curtains. [DIMENSIONS] Curtain clips with metal grommets, inner diameter 32 mm (1.25 inches), outer diameter 38 mm (1.5 inches). The curtain clips with a 32 mm inner diameter are well compatible with 25.4 mm single or double curtain rods. Clip dimensions: 1.28 x 0.3 inches (32.5 x 8 mm). [HIGH-QUALITY METAL CONSTRUCTION] These curtain rod rings with clips are durable and rust-proof, ensuring long-lasting performance. Each black curtain clip can hold up to 1.5 kg, providing a reliable and stable solution for your heavy curtains. [EASY-SLIDE CURTAIN RINGS] These curtain clips are easy to install: simply slide the curtain rings onto the curtain rod and secure them with the sturdy curtain clips. The curtains glide smoothly, several times a day, and function flawlessly, making your life full of