UNIVERSAL FIT FOR SIMPLE REPLACEMENT: Unlike any other office chair wheels available out there, our premium replacement office chair casters feature a new stem design, that makes replacing old casters a breeze. Simply and effortlessly, change your old casters in one, single motion and get ready to roll. Designed to fit all standard office chairs, this caster wheels is here to make your life easy.KEEP YOUR FLOORS IMMACULATE: You can now throw your old, plastic office chair mats in the garbage and get ready for some serious, smooth and quiet rolling across the floor. With an almost velvety feel, these unique office casters can safely glide on your expensive hardwood flooring or tile, vinyl, carpet and any type of floor with unparalleled ease, without causing the least scratch or noise and keeping your floors immaculate. (Not recommended for thick\/tall carpets)GET OFFICE WHEELS WITH STYLE: These replacement casters are no ordinary furniture parts. They are unique pieces of striking beauty that can instantly elevate the style of any room theyre in. Upgrade your home or office chairs and transform your dcor by adding a touch of cool luxury.THE MOST DURABLE WHEELS ON AMAZON: If youre tired of replacing your desk chair wheels every once in a while, then its high time you checked these ones: With the entire support bracket and all internal parts made of superior grade steel that is able to safely support up to 650lbs, as well as top quality Polyurethane, rollerblade style, swivel wheels, designed to be super gentle with your precious flooring, these efficient caster wheels promise to last a lifetime.