Features: Enhances your office experience with our Universal Mute Wheel Office Chair Casters, designs for smooth and Quiet rolling on any Surfaces, ensuring a quiet and efficient work space . Crafted from high quality rubber and featuring a twin wheel design, these casters offer superior durability and weight distribution, making them perfect for daily office use. Ideal for office workers, students, and home users who require flexible and reliable chair mobility throughout their day. Perfectly suited for offices, home study areas, meeting room, and shared workspaces, these casters provide Smooth movement and adaptability to various seating arrangements. With easy installation and a black finish, these casters not only enhances functionality but also add a touch of modern elegances to your office furniture. Specifications: Material: plastic Height: about 59mm/2.3inch Package Includes: 5xChair Casters note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.