Holkie Office Chair Wheels 11X22Mm Silver Replacement 3 Inch Desk Roller Blade Product Features SMOOTH AND QUIET GLIDING: Precision ball bearings and a soft polyurethane wheel-shell make chair rolling and swivel silky smooth and quiet on any surface. Ideal for shared office spaces, professional gaming environments or even near your sleeping babies in the home office. SAFE FOR ALL FLOORS: Covered with a high quality, extra thick, non-marking soft polyurethane layer office chair rollerblade wheels are avoiding to scratch or leave marks on any surface (including hardwood, carpet, tile, laminate and more). STURDY HEAVY DUTY STRUCTURE: Heavy duty caster wheels steel casing, the maximum load capacity of wheels-set of 5 is up to 200kg and has passed the highest level TUV test. EASY INSTALLATION: Plug-and-play, no tools required! Simply pull out your old chair castors and insert the new ones. So you can start experiencing smooth and quiet gliding! STEM SIZE AND WARRANTY: Stem size with 7/16" (11mm) diameter x 7/8" (22mm) length, fits for most chairs EXCEPT FOR IKEA. 1 year warranty, free replacement. Please do not hesitate to contact us if you need any assistance. Shipping: Shipping is complimentary within the lower 48 US States. We Do Not Ship to PO/APO Boxes, HI or Alaska We Do Not Ship Outside of the Continental US All items ship within 24-72 hours of Payment For large items that require Freight shipping a valid phone number is required to call and schedule your delivery Terms of Sale and Feedback: Feedback is extremely important to us and If you are satisfied with our transaction, please take a moment to leave Positive Feedback. YOUR Satisfaction is our #1 Priority! If there are any issues, PLEASE contact us BEFORE leaving a neutral or negative rating so that we may resolve any concerns. We PROMISE we can make you happy if you give us a fair chance. Returns / Concerns: All items qualify for returns within 14 - 30 days of receipt. Buyer is responsible for return shipping on any item that is not damaged Please be sure this is an item you want before making your purchase. Customer Satisfaction is our TOP priority! All items are IN STOCK at time of listing. Inventory changes constantly and it is impossible to maintain a perfectly accurate count of all items. Please do not penalize us if we have to issue you a refund! Thank You For Your Business!