These office chair wheels were specifically designed and engineered with rollerblade casters to protect your hardwood floors. The original rubber style wheels for office chair were designed by The Office Oasis. Each caster is encased with soft polyurethane material to keep all types of flooring protected, including wood floor, tile, and laminate. Now you can throw away your plastic chair mat. The larger roller diameter makes these the best carpet wheels for office chair. The replacement chair wheels are easily installed with no tools required. Simply remove the old desk chair wheels, and pop in the new rollerblade wheel. The heavy duty office chair wheels support up to 650 pounds as a set of 5. With an incredible amount of feedback, these computer chair wheels make great upgrades for Herman Miller Aeron chairs, dxracer gaming chairs, and many other rolling office chair and stool brands.