... : Excellent physical and chemical performance,excellent mechanical strength ItemCarbon fiber color tube(purple)MaterialThe inner is 100% carbon,the surface is ... fiberglass.PropertyHigh strength,light weight,wear-resisting,heat-proofPattern3k plain woven or 3k twill wovenSpecification10mm(ID)*12mm(OD)*900mm(L ... exercise toy,pen rod,golf shafts,ski poles Carbon Fiber Color Tube