This office chair wheel features a unique single-wheel design that is both beautiful and practical. Made from a combination of high-strength steel, precision ball bearings, and transparent polyurethane material, it ensures greater stability and durability for your chair, giving you peace of mind (stem diameter compatible with 7/16 in. x 7/8 in.). The rubber material of the wheel provides excellent shock absorption, ensuring silent and smooth rolling, allowing you to stay focused and relaxed in a quiet environment. The outer layer is coated with soft polyurethane, which not only protects your floor but also allows for effortless movement on carpets. With a diameter of 3 in., a total height of 4.5 in., 360° swivel, and a weight capacity of up to 650 lbs., these wheels are both functional and robust. Installation is quick and easy, requiring no tools and allowing for seamless replacement of old wheels. Suitable for most office chairs, it glides effortlessly on various floor types, including wooden, hardwood, laminate, PVC, tile, and carpet, without scratching or damaging the surface. Even when used with chair cushions, these wheels provide perfect compatibility.