Carbon Fiber Square Tube 4x4x3mm Inner Round 400mm Carbon Fiber Tubing 1 Pcs

Carbon Fiber Square Tube with Rounded Inner Shape

• Size. 4mm x 4mm side length in cross cection(Square), 3mm inner round diameter, 400mm overall length.
• Pultrusion. Pultruded tube means that all the fibers are in one direction, which makes it stronger than the woven tube in tension.
• Lightweight. 1.5g/cm3(1.5 Gram per cubic centimetre) in density, strong as metal but only one fifth in weight. Corrosion-resistant and heat-resisting.
• Smooth surface. Made from high tensile and modulus unidirectional carbon fiber, with polishing finish.
• Application. Pultruded carbon fiber tube is used for racing drones, RC helicopter wing, RC airplanes and RC sailboats, kite spars.

Tube Shape: Square ouside with rounded inner

Cross Section Size: 4x4mm square, 3mm inner diameter

Overall Length: 400mm

Finish Type: Glossy

Package Content:

1 Pcs 4x4mm x 3mm Inner Diameter Carbon Fiber Square Tube