MEMKEY Pack of 5 office chair swivel castors 11 x 22 mm, 360° rotatable for gaming chairs, silent, scratch-free replacement castors, black

【Universal rotation】The office chair casters are designed for a full 360° rotation. You can rotate your office chair or gaming chair as you like, which is the best way to relax after concentrated work. 【Quiet and stable】Thanks to the precision of the bearing design and the double casters, the office chair casters are more stable and can slide 360° smoothly and quietly, even at night you can concentrate on your work without worrying about the noise disturbing others. 【Protect floor】The smooth surface of the chair casters provides excellent protection for your floors. You don't have to worry about our casters leaving scratches on the floor. Office chair casters are perfect for hard floors, laminate, tiles and other types of floors. 【High-quality material】The office chair casters are made of high-quality, environmentally friendly nylon and covered with high-quality polyurethane, which is more durable than ordinary plastics and has good wear resistance, pressure resistance, good