This adapter is a feedthrough which is made to adapt Fischer S103 1-pin (Socket/Female) to SHV (Plug/Female). If you have any interconnections which needs to adapt between the two, this is the solution. If you are looking to take your Fischer F103 EFT/Burst attenuator you currently have and use it on a SHV EFT/Burst Generator, this is the solution! Simply connect this between the two and you are set! Plug and play! See photo for reference, contact us if you have further connector needs and we will do our best to find a solution for you!