Amazon.com: (2) Pieces - 12mm x 8mm x 1000mm Carbon Fiber Tube - Pultruded Round Tube. Super High Strength for RC Hobbies, Drones, Special Projects : Industrial & Scientific
KARBXON - Carbon Fiber Tube - Blue - 20mm X 18mm X 500mm - Hollow Carbon Fiber rods - Glossy Carbon Tubes - Pure Carbon Fibre Tubes - Lightweight High Strength Carbon