1. Carbon fiber tube 2. Light weight ,high strength 3. OD: 2mm - 200mm,can be customized made 4. UL,ISO9001,RoHS,6P testify Carbon Fiber Fabric Winding TubeMaterial : 3K Carbon Fiber Fabric + UD FabricOD= 31.75mmID=28.5mmLength = 903mmPacking : CARTON81PCS/CTN,19.2KGS/CTN,92CM X 32CM X 32CM /CTN = 0.094 CBM