Amazon.com: Wooden Curtain Rings for 0.5 Inch to 1.25 Inch Thick Curtain Rod - Set of 12 Rings with Screw Eye - Wood Drapery Curtain Rings for Windows – Ring Inner Dia
EMOH Chestnut Faux Wood Curtain Rings (Set of 10) HDR40-W3 - The Home Depot
2" inch Wood Curtain Ring | BestWindowTreatments.com
Lumi Home Furnishings 0.5-in Heritage Oak Wood Curtain Ring with Clip in the Curtain Rings department at Lowes.com