If you have an existing office chair with nylon or plastic wheels, this rubber wheel set is perfect for you.  Inline skate wheel material mean these are safe to use on your hardwood floor, yet will still work on carpets.  The round ball shape with a clear outer casing gives a slightly lower profile and a new look to your chair.

The frame, post and axle are all metal so you can be assured you'll never have a problem with the wheel breaking on you.  The frame is available in a black powdercoat, matte silver, or a polished silver finish.

 

The stem is an industry standard 7/16" x 7/8" stem (11mm x 22mm) with a friction ring.