Urbanest Set of 7 Wooden Curtain Rings with Clips, 1 7/8 Inches Inner Diameter, Maple Brand New Urbanest Curtain Rings with Clips The ring has an outside measurment of 2 7/8 inches and an inner diameter of 1 7/8 inches Recommended curtain rod size for this ring is 1 1/2 inches in diameter Available in 4 Colors: Black Washed, Maple, Walnut, and White