This is a coaxial extension lead manufactured from 75 coaxial cables. Terminated at one end in a coaxial plug and at the other end in a coaxial socket. Theterminations are protected with a plastic strain relieving sheath. This Maplin RF Male to RF Female Aerial Extension Cable is typically used to connect the RF Out socket on a VCR to the aerial socket on a TV. It can also be used to extend existing aerial cables.