IKODM 5pcs Office Chair Casters 48mm Computer Chair Casters Office Chair Swivel Casters Replacement Wheels Standard Stem Size 11mm×20mm, No Scratches or

1. Universal Size: Each caster features a standard sized 11mm diameter x 20mm length stem and an easy-rolling 48mm double caster, suitable for most common types of office chairs and children's chairs. 2. Flexible: With 360° rotation, the wheel is easy to move, and the material is shock-resistant, protecting the floor from wear and tear. 3. Easy Installation: Chair replacement wheels that can be easily installed without tools or hardware. Simply pull your current casters down and push our chair replacement wheels into the socket. 4. Smooth and Quiet Rolling: No noise when rolling, will not disturb anyone while working.