3" Rollerblade Style, Heavy Duty, Office Chair Casters

Brand new, heavy duty, 3" rollerblade style office chair casters. These high-tech casters are quiet and durable with a tough polyurethane rolling surface. Enjoy silky smooth gliding over carpet, tile, vinyl or hardwood without scratching or marring, protecting your floors and eliminating the need for floor mats.  Well constructed of top quality, superior grade steel, they are strong enough to support 650 lb in a set of 5. With standard stem size 7/16" X 7/8" (11mm X 22mm), these fit almost all office chairs and gaming chairs, such as Herman Miller, Steelcase, Haworth, Humanscale, X-Chair, Dxracer,etc.  The 3 inch casters may add 1-2 inches of chair height depending on what size wheel they are replacing. #121120C