DIMENSIONS -Inner diameter 1.5 inch / 3.8cm. External diameter: 1.77inch / 4.5cm. Fits up to 1.38inch / 3.5cm rod. QUANTITY - Set of 40 pcs, including eyelets and removable clips. Large clip rings for hanging curtains from a curtain rod. GREAT MATERIAL - Premium 304 stainless steel, Stronger tension clip support heavier application. Each curtain ring can hold up to 3 pounds. HIGH QUALITY - Strong tension clip to support heavier application, Extra thickness and hardness, heavy duty design, stronger tension clip can hold heavier draperies without any issues. ELEGANT DESIGN - Black drapery clips with rings, and looks elegant in the light, For hanging curtain, light, copper wire, christmas light hangers, flashlight, lanterns, tent and so on. Perfect for luxury hotels, restaurant, bar, meeting room, bedroom etc. Colour:black Material:Stainless steel Package Contents: 40 x Curtain Rings Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.