Important note – Before purchasing, check the size of the casters compatible with your chair (in mm). Our casters have a 7/16" x 7/8" (11mm x 22mm) axle, compatible with 99% of office chairs, but not 1KEA chairs (axle size: 11 x 22mm) 2025 High Performance Casters - Designed with quality industrial steel, precision ball bearings and durable polyurethane, our casters support up to 300 kg, providing exceptional sturdiness No risk to your floors – These office chair casters are ideal for all floor types: wood, laminate, vinyl, tile, and even carpet. They glide smoothly without leaving scratches or stains Quiet and 360° rotating – Enjoy smooth and quiet rotation, without noise disturbance, even at night. Work comfortably without disturbing your neighbors Quick installation and quality customer service – Installation is quick and easy, with no tools required. We offer responsive and quality customer service, ready to resolve any questions or concerns you may have