Specifications: Outer diameter x outer diameter x inner diameter, and the length is 500mm Ultra-easy to carry: Carbon fibre tubes are ultra-lightweight and can be easily carried by a single person, saving time and effort Strong and firm structure: The tubes have a tight and firm structure that can withstand large external impacts Accurate control: The carbon fibre tubes are manufactured with accurate precision, with minimal dimensional error and strong adaptability Stable and excellent performance: The carbon fibre tubes have stable and reliable performance, and are not easily deformed in long-term use, Manufacturer: LAXALO