SAFE FOR ALL FLOORS. Don't worry our office chair wheels will damage your lovely wooden floors. Anyke caster wheels insist using high quality non-marking polyurethane to stop leaving scratches even if there is no carpet or chair mat for hardwood floor. 2.5-inch chair rollers are soft for hardwood floors. You would be feeling at ease and never worry replacement office chair casters hurt the hardwood floors.

MODERN. STYLISH. EASY INSTALLATION. It is designed for universal standard stem size: 11x22mm, fit for 99 percent office chairs. Super easy to install without tools. Just need to pull out the old caster wheels and insert the new ones. A brand new look, fashion upgrade style for office chairs, high quality with competitive prices, don't hesitate.

SMOOTH. HEAVY-DUTY. SWIVEL STYLE. The desk chair casters are smooth and quiet while rolling and rotating 360 degree. You would save energy with the help of the chair casters. Heavy-duty rollerblade style office chair replacement wheels with premium dual bearings so that its loading capacity can support up to 550LBS as a set of 5 x office chair wheels.

COMPATIBLE WITH MOST BRANDS OF OFFICE CHAIRS. Stem diameter is 7/16" or 11mm, length is 7/8", suitable with most office chairs for brands Miller Steelcase, Aeron, Herman, Dxracer, Humanscale Freedom, Lazyboy Serta, Hon, Boss, etc. Not for IKEA chairs.

GUARANTEE: If these are not your favorite replacement chair wheels you have ever owned, the smoothest and most quiet, return them for a full refund. We will promise 12-month warrenty. If any problem, pls contact Anyke customer support via email directly. As long as you have it no more than 12 months, we could offer you MONEY-BACK service or sending you NEW OFFICE CHAIR CASTERS for replacement.