Description: Precision Design: Designed with minimal internal gaps to reduce chair wobbling, this component enhances stability and ensures a comfortable seating experience Universal Compatibility: This guide sleeve is suitable for most office chairs, gaming chairs, and executive chairs pneumatic lift rods, allowing for easy installation and matching Material: Made from high strength pp that is wear resistant ensuring long term stable use Secure Fit: The chair sleeve fits snugly around the pneumatic rod to avoid loosening, thereby extending the lifespan of your chair Easy Installation: Requires only a tap for installation without the need for complex tools, making maintenance and replacement convenient Specification: Material: PP Size Chart: Outer diameter: 5cm/1.97inch Inner diameter: 2.9cm/1.14inch Package Includes: 1Attaches Clamp Note: Please allow slightly errors 1-2cm/0.39-0.79inch differences due to manual measurement.