C2G 43061 RG6/U Dual Shield Bulk Coaxial Cable, In-Wall CMG-Rated, Black (500 Feet, 152.4 Meters) Our RG59/U dual shield cable is ideal for antenna and cable television installations. This cable has a 20 AWG copper clad steel center conductor surrounded by a foam polyethylene dielectric. Inner Conductor: 1/1.02 mm (18 AWG) Copper Clad Steel Inner Conductor: 1/1.02 mm (18 AWG) Copper Clad Steel Insulation: 4.57mm foam PE Outer Conductor: Al/P-Foil (bonded) + 0.12mm x 80 Al wire braiding