Uxcell Carbon Fiber Rods, 4mm X 300mm, for RC Airplane DIY Craft Kite Wing Tube Quadcopter Arm Repair, Pack of 4

Carbon fiber rods are used for quadcopter helicopters, RC airplanes, scale models, handrails, indoor kite building, graphite fishing rod repair, wing and tail reinforcement, and RC airplane reinforcement. Material: Carbon fiber; Diameter: 4mm/0.16in; Length: 300mm/11.81in; Package includes: 4 carbon fiber round rods. Ideal for construction requiring strength without excessive weight; high strength, corrosion resistance, smooth surface, straightness, and stable performance; specific strength and elastic modulus are actually higher than carbon steel, lighter than aluminum; good electrical conductivity, and very good tensile strength. Carbon fiber rods are particularly excellent for bending and compression applications. They can be cut to any length. All dimensions are measured manually, so there may be an error of +/-0.1 inch.