Multi Surface Soft Casters.
They contain dual wheels for gliding mobility and soft tread to protect your wood or tile floors from getting scratched!
Standard 2.5" diameter and double-wheel construction, Carpet Casters are recommended for use on low- or medium-pile carpet, such as commercial carpet or Berbers. These Herman Miller casters are compatible with Aeron, Celle, Embody, Mirra, Mirra 2, and Sayl Chairs, as well as Setu.