Dave Brown CFTP-5230 Space age material for strengthening foam wings, wing spars or fuselages, typically applied to opposite side of wing spars or wing surfaces. Useful on a wide variety of models: Aircraft, Rockets, Sailplanes and etc. Strands are unidirectional and held together with resin. Strip is 66" long, .5" wide and aproximately .015" thick. Apply to surface of spars, in knife slice of foam wing or on any surface with adhesive CA or Epoxy. There is no better stiffening agent per gram than carbon fiber. Carbon strip can make dramatic improvements in stiffness and strength. Can easily be stripped into narrower strips.