Kohlefaser-Rohr 20x21mm 1000m Graupner 5225.20.21 Saves weight on control surface pushrods, wing spars, sailing yacht masts etc. Fibre content 60% by volume. Approx. 1000 mm long, seamless O.D. 20 mm
I.D. 21 mm
Wall thickness 0.5 mm
*CF weave visible externally