Features: 1) Central conductor: a) Material: copper, copper covered steel b) Diameter: 0.032" (0.81mm) c) Mode: 20 gauge 2) Organization: gas expended polyethylene dielectric 3) Inner shield: aluminum foil bonded to dielectric 4) Outer shield: bare aluminum braid wire (34 AWG / 37 AWG) 5) Jacket: polyvinyl chloride 6) Normal outer diameter: 0.24" (6.10mm)