Our sliding glass door wheels are designed to replace worn-out or damaged rollers, restoring the smooth operation of your sliding glass doors. Suitable for use in both residential and commercial settings, these wheels are easy to install. Simply remove the old wheels and replace them with our durable rollers to ensure your doors slide effortlessly. Features -Color:Silver -Material:Cold Rolled Steel -Size:4.20X1.00X0.70cm/1.65X0.39X0.28in -Note: Wheel diameter: 10mm; Hole diameter: 4mm; Hole distance: 30mm -Durable construction: the window door roller is built with sturdy materials, ensuring durability and reliable performance -Smooth sliding: the patio door rollers provide smooth and effortless sliding, making it easy to open and close your doors and windows -Simple operation: the sliding door pulley features a silent design, ensuring that your doors and windows operate quietly without disturbing your peace -Wide compatibility: suitable for a variety of application, including windows, doors, cabinets, and more, offering great versatility -Enhanced ventilation: the replacement screen door roller design helps improve airflow and ventilation, making your living spaces more comfortable Package list: 6 x window screen pulley