Fix those stubborn curtains that won't slide smoothly with these replacement track rollers! This 5-pack gives you plenty to replace worn-out rollers on your existing curtain tracks. Each roller has a 15mm diameter with a 12x6mm inner ring size that fits standard curtain tracks perfectly. Made from durable plastic and metal materials that won't blemish or damage your beautiful curtains. The smooth rolling action makes opening and closing curtains effortless - no more jerky movements or stuck curtains. Perfect for home use in bedrooms, living rooms, or dining areas, but also great for offices, restaurants, hotels - anywhere with curtain track systems. Installation is straightforward - just remove the old rollers and snap these new ones into place. The white color blends discreetly with most decor styles. Having extras means you can replace multiple rollers at once or keep spares for future needs. Much cheaper than replacing entire curtain track systems! If your curtains are getting harder to move or making annoying noises, these replacement rollers will restore that smooth, quiet operation you remember. Such a simple fix that makes a huge difference in your daily routine!