Remember when you could roll in style? Upgrade your office chair with a set of WEN Swivel Casters. This pack includes five 3-inch non-marring polyurethane wheels for smooth, scratch-free rolling. Our universal design features a 7/16-inch (11 mm) stem diameter and a 7/8-inch (22 mm) stem length. Combine that with our Snap-On design for simple installation onto the majority of office chairs. Each wheel withstands weights of up to 100 pounds, for a total weight capacity of 500 pounds per set.