【Durable Material】: Replacement Office Chair Wheels is made of high quality material, provide long time performance, durable.<br> 【Size】: With a threaded mouth diameter of 10mm, insertion rod diameter of 11mm, these wheels have a height of 62mm and a diameter of 50mm, width of 69mm making them suitable for various office chairs.<br> 【Easy Installation】: Just screw wheels casters directly onto the chair, allowing you to effortlessly replace the old or damaged ones on your office chair.<br> 【Smooth and Versatile】: These swivel casters ensure smooth movement and rotation, providing mobility for your office chair on different surfaces.<br> 【Wide Application】: Chair Wheels are suitable for furniture pieces such as conference chairs, office chair, gaming chairs, computer chairs, desk chairs and swivel chair.<br> Size Chart:<br> Thread Mouth Diameter: 10mm/0.39inch<br> Insertion Rod Diameter: 11mm/0.43inch<br> Height: 62mm/2.44inch<br> Diameter: 50mm/1.97inch<br> Width: 69mm/2.72inch<br> Package Includes:<br> 2 Office Chair Wheels<br> Note:<br> Please allow slightly errors due to manual measurement and different monitors.