The Belden 8267-500 RG213/U black coaxial cable has a single bare stranded copper center. The 3/8 in, 50 Ohm coaxial cable features a 97 percent coverage braided shield for lower loss. This single bare copper braided cable utilizes polyethylene foam as insulation. brbrThe Belden RG213/U braided coaxial cable is available in bulk and is priced per foot.