Amazon.com: uxcell Carbon Fiber Round Tube 3mm x 2mm x 400mm Carbon Fiber Wing Pultrusion Tubing for RC Airplane Quadcopter 10Pcs : Industrial & Scientific
Amazon.com: Abester ID 3mm x OD 5mm x 500mm Glossy Surface 3K Carbon Fiber Tube (1 Piece) : Industrial & Scientific
Amazon.com: Abester Carbon Fiber Tube 5mm OD x 3mm ID x 1000mm 3K Glossy Plain Roll Wrapped Rod (2 PCS) H : Industrial & Scientific
Amazon.com: (2) 3mm X 1000mm - PULTRUDED-Square Carbon Fiber Rod. 100% Pultruded high Strength Carbon Fiber. Used for Drones, Radio Controlled Vehicles. Projects requiring high Strength to Weight Components. : Industrial & Scientific