Ideal, Compression Connector, BNC, Conductor Range: 029 - 042 In, 20 - 18 Awg Solid Center Conductor, Material: Brass, Finish: Nickel Plated, Nominal Impedance: 75 Ohm, Dielectric Diameter: 0.175 - 0.183 In, Coaxial Cable Type: RG-6, Overall Jacket Diameter: 0.260 - 0.305 In