Contacts utilize passivated pure fine silver. The body is constructed with brass and then platinum plated to give a nice asthetic appeal. The central contact assembly is made of Ultramid® and the negative contact uses Dyneon™. The barrel is comprised of brass with a shiny black piano lacquer finish. A characteristic impedance of 75 ohms makes this a perfect match for digital audio and video. The maximum size conductor that can be used is 1.5mm² / 16-17 AWG. Maximum diameter of cable with dielectric is 9mm² / 0.354 inches². The barrel is offered in black only.