THE LAST OFFICE CHAIR WHEELS YOU'LL NEED - Not all chair casters are created equal. Our heavy-duty chair wheels are made of industrial-grade steel, precision ball bearings, and durable polyurethane chair casters. They are extremely resistant to compression and wear. They can withstand long-term daily use without being damaged or deformed, providing long-term stable support for your rolling chair. | 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, laminate, vinyl, tile, mat, carpet and hardwood floors all day long. P.S. Regarding the smooth rolling on carpet it depends on the pile carpet that you have, some roll better and some aren’t as smooth. High pile carpet usually rolls less smooth than low pile. | REPLACEMENT FOR MOST OFFICE CHAIRS - Rest assured that our office chair wheels are compatible with almost any rolling chair (please check the size of your wheel stubs before ordering). IMPORTANT: NOT compatible with IKEA chairs and not either with some off brand 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 roller casters. | RELIABLE HEAVY-DUTY CASTERS - This uniquely designed office chair wheels are carefully crafted from strong materials and has extremely powerful load-bearing performance, which can bear up to 650 pounds. These rubber chair wheels can easily cope with various usage conditions, providing sturdy and reliable load-bearing protection for your office activities and daily life.