Standard Size Universal Stem Size: 7/16"(11mm) x 7/8"(22mm) - Fits most office chairs sold in the US with 11mm stems.Compatible with: Herman Miller, Steelcase, dxracer, BestOffice, Furmax, Hbada, Yaheetech, KOLLIEE, Hamanscale Freedom, Aeron, Lazyboy Serta, Boss, Hon, etc.To determine compatibility, pull out the current chair wheel and measure the stem.
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Dust cover included The side of the chair wheel has a protective cover to prevent ashes, threads and other miscellaneous goods from entering the wheel and sliding down.
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360 degree rotatable The latest rollerblade caster construction allows for a smooth 360 degree rotation that allows you to move in any direction without losing movement during use.
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