Lynx ABEC-9 bearings are chrome,oil-packed bearings that ,are fast right out of the box. They have removable shields for easy cleaning ,and re-oiling. Lynx bearings come packaged in a durable metal case to help ,protect them during shipping. These containers also eliminate the hassle that ,you find when trying to open the packages of most other bearings brands. Available in 8mm only in a set of 16.