Whether you're looking to improve the functionality of your existing curtain track rollers or you're with a new installation, these curtain track rollers are the perfect choice for anyone who wants to create streamlined, professional-looking window treatment. With their sturdy construction, smooth operation. Features -Color:Beige -Material:PVC -Size:2.40X1.10X1.00cm/0.94X0.43X0.39in -Hook ring diameter: 5.5mm -Glider gap distance: 3.4mm -Glider base diameter: 9mm - construction: crafted from plastic for performance of these track rollers. -Noise-free operation: silent noise reduction track rollers for a quiet and serene atmosphere. -Enhanced flexibility: double bend track rollers enables smooth sliding and increased adaptability. -Effortless installation: these track rollers can be used for easy and convenient setup, very useful. -Widely applicable to fixed curtain panels, room dividers, and curtains, windows, curtain tracks, etc. Package list: curtain gliders