Let the good times roll even when you have a lot of work to do with these Essentials 75mm Rollerblade Wheels in black. Ideal for gaming and office chairs, these rollerblade wheels allow you to move with greater comfort and ease. They are made from synthetic rubber, and come in packs of five. The wheels are easy to install and ensure that the floor or carpet under your desk does not get scratched. Also available in transparent white and transparent black.