Aaron Curtain Rings Aaron Curtain Rings are made of metal. With a 1 5/8" outer diameter and 1 1/2" inner diameter, they are sure to fit the rod diameter 1" to 1 3/8". Available in 4 meaningful color options, Aaron styles your rod much better. Thoughtfully designed with a hole at the bottom, you can attach hooks like metal pins, plastic hooks, clips, and more work for that. Specifications Material: Metal Quantity: 14 pcs Size: 1 1/2" inner diameter Color: Gold, Silver, Black, Bronze Versatile Option: Fit right for a multitude of header styles. Need to be paired with clips for flat-looking curtains and metal or adjustable hooks for pinch pleat curtains. Tips: Generally, the space between the pleats is about 5". Take the 25" wide pinch pleat curtain panel as an example, and you'll need 6 rings. The calculation is 25/5+1. Aaron curtain rings may be similar to the color of curtain rods, but not the same. A slight color difference can add more layers to the overall look.