Ceiling Curtain Track Rollers Flexible Bendable Curtain Track Rollers 11 mm White Plastic Drapery Rail Gliders With Hooks DESCRIPTION Smooth SlidingOur white curtain track rollers can slide smoothly on the track, allowing you to open or close the curtains easily Durable MaterialThe curtain track rollers are made of strong plastic material, which is durable and wear-resistant and not easy to deform or break. Size DetailsThe wheel diameter of the curtain rail is approximately 0.43 inches/11 mm, the spacing between the two wheels is 0.18 inches/4.7 mm, and the inner diameter of the roller is 0.53 inches/13.5 mm, please measure your rail size before purchasing Wide ApplicationFlexible curtain guide rails are suitable for fixing curtains, shower curtains, valances, trailer gauze curtains, etc., making your life more convenient _x000D_