Replace the casters of your Herman Miller® Aeron® with this glide for stationary applications. All of our glides are made in the USA from quality materials and will last for decades. This glide is constructed from durable nylon and is intended for use on hard floors and carpet. This glide features an easy to install “B” type friction ring stem (7/16″x 7/8″) and is matte black to match the base of your chair.