Kirsch Premium Solid Wood Unfinished Pole Rings for Drapes For Drapes or Curtains Rings have a 1-3/4" inner diameter and a outer diameter of 2-3/4" Fit a 1-1/4", 1-3/8", 1-1/2" diameter curtain rod 7 per Bag This item usually ships in 2-3 business days, unless backordered.