2pcs Carbon Fibre Tubes 3K, Outer Diameter 8mm/10mm/12mm/14mm/16mm/18mm/22mm/30mm Plain Matte Carbon Fibre Tubes for RC Model Airplane Kite DIY, Length 500mm(30mmx28mmx500mm)

【Dimensions】outer diameter x inner diameter x length. 8mmx6mm, 10mmx8mm, 12mmx10mm, 14mmx12mm, 15mmx13mm, 16mmx14mm, 18mmx16mm, 20mmx18mm, 22mmx20mm, 25mmx23mm, 30mmx28mm; length: 500mm (plus and minus tolerance 1~2mm). 【High-Quality Carbon Fiber】Processed from 3K pure carbon fiber with matte surface. 【Product performance】light weight, high strength, resistance, good stability, flame retardant, beautiful, easy to maintain, not easy to age, etc. The outer and inner walls are smooth. 【Light weight and high strength】its specific gravity is only one-quarter of steel, making transportation, construction and installation very convenient. Compared with plastic products, its strength is dozens of times that of plastic products, so light weight and high strength are the salient features of carbon fiber composite materials. Thank you for your purchase. Any problem, please feel free to contact us, we will provide solutions as soon as possible.Our goal is for your satisfaction!