This caster has a diameter of 60mm and a socket diameter of 18mm, which perfectly combines practicality and aesthetics. The UV electroplating process gives the wheel a unique black luster, which is stylish and textured, showing high-end taste, and can easily adapt to various modern office chairs, gaming chairs, and other seats. The PA+PVC material ensures that the wheel has excellent wear resistance and stability, is durable, and can withstand high-frequency use; the PU wheel surface achieves silent rolling, reduces friction noise, creates a quiet and comfortable use environment, and effectively protects the ground. Whether it is frequent movement in the office or fast turning in e-sports games, it can respond smoothly, bringing you a smooth mobile experience, and is an optimal accessory for improving the quality of seat use.