Coaxial Cable, Solid, #18 AWG Conductor Size, 1000 ft Overall Length, 0.307 in Outside Diameter, 75 , Natural (Insulation);Black (Jacket), Copper Clad Steel Conductor Material, Polyethylene Insulation Material, PVC Jacket Material, Bonded Aluminum/Polyester/Aluminum Foil;Aluminum Braid Shield Material, 17 pF/ft Capacitance, +75 °C Operating Temperature, 0.04 lb/mft