? THE LAST OFFICE CHAIR WHEELS YOU'LL NEED ? Not all caster wheels are created equal. Our heavy-duty chair wheels are made from industrial-grade steel, precision ball bearings, and durable polyurethane chair casters. They can support loads up 650 pounds! ? DESK CHAIR MAT WILL NOT BE NEEDED ANYMORE ? Our desk chair wheels replacement will NEVER scratch, smudge or damage your floors. Enjoy a carefree, safe glide across wood, hardwood, laminate, vinyl, tile and carpet floors all day long. ? PRIME REPLACEMENT FOR NEARLY ANY CHAIR ? Rest assured knowing that our computer chair wheels replace the wheels on almost any rolling chair! Most customers say our wheels are better than the original ones! (IMPORTANT: NOT compatible with IKEA chairs) (our stem size is 7/16" x 7/8") ? SMOOTH GLIDING IS AS QUIET AS A MOUSE ? A squeaky, rickety office chair wheel is a telltale sign that they?re cheap and poorly made. You?ll slide and glide around in total silence with our rollerblade swivel casters. ? YOUR TOTAL SATISFACTION IS OUR #1 PRIORITY ? We put considerable effort into ensuring we created the best desk chair wheels on the planet. After a quick install and glide around, we?re positive you?ll agree. If by some miracle you don?t, we?ll give you a full refund!