About this item Universal Fit & Easy Install:These replacement wheels for office chair use a standard stem size of 7/16" x 7/8" (11 x 22 mm), matching roughly 98% of office chairs on the market but not IKEA models. You can pull out your old casters and push these office chair wheels in by hand without tools. During a busy work time, you get the chair rolling again in under a minute Quiet & Floor‑Friendly:Made from soft polyurethane, these office chair casters produce very little noise on hard floors or carpets. When working,you can shift your chair without distracting coworkers or creating awkward squeaks 1,000 lbs Load & Dust Cover:These roller blade wheels for office chairs support up to 1000 lbs, and the integrated dust cover helps prevent pet hair or carpet fibers from wrapping around the axle. You no longer have to flip your chair to cut away tangled lint, which also extends the desk chair wheels service life 360° Swivel for All Floors: High‑carbon steel bearings allow the office chair wheels to rotate a full 360°, so changing direction or moving sideways feels responsive with minimal effort. This design makes these office chair wheel replacement suitable for wood, hardwood, laminated boards, tiles, and carpets
Color: Black Material: Metal Unit Count: 5.0 Count Mounting Type: Stem Mount