[HIGH QUALITY POLYURETHANE ]: Polyurethane tires are durable and soft, light but strong. The smooth roller is scratch-resistant. Designed to avoid damage to hardwood, laminate, tiles, slate, carpet, concrete, and floors. So, feel free to finally toss that old computer chair floor mat!
[EASY INSTALLATION]: No tools required. Easy to install on any chair with a diameter of 7/16 inches (11 mm). It can be replaced even with casters.
[HIGH LOAD]: The total load of the five casters can reach 650 pounds (292.5kg. 360-degree rotation with smooth rotation and low noise.
[WIDE RANGE OF APPLICATIONS]: Not only for office chairs, computer chairs, mesh backrest chairs, etc., but also for shopping carts, office chairs and medical beds
[MODERN, UNIQUE. &STYLISH]: These casters use a universal standard size stem design, so you can install any rollable furniture work chair or stool on this caster