This is for a SIX INCH (6") long FLAT BLACK microphone extension cable with a female-female couplerFT-891 (and ANY radio using 8 pin modular microphone) QUALITY! Our cable works! BLACK Microphone extension cable for any radio that uses the 8 pin modular RJ-45 plug / coupler jack. Cable will be FLAT (not round). The cable is high quality 6" (6 inch) with a male RJ-45 plug professionally crimped on each end. Cable will be flat, style of cable shown may vary. You also get a female to female jack adapter so you can simply unplug your microphone from the radio and plug it into this jack, then plug the extension cable back into your radio. Either a BLACK colored coupler or cream colored coupler with a piece of black heat shrink tubing, you can just slip the coupler in (as shown) or shrink it yourself It is wired as "straight through", meaning pin1 goes to pin 1, pin 2 goes to pin 2, etc. What I have done and what I see others do it to glue or mount this adapter anywhere you want to plug your microphone into. That would then make a solid location to have your microphone plugged into. This is especially useful when you mount your radio under the seat or in the glove box or center console, etc. It is also useful when you have your radio mounted under the shelf of your operating position but want the microphone cord to not lay across the radios or computer screen below! I know, I created this to solve MY problem! Now I share it with you. It makes it so much easier to not have to put stress and strain on your microphone cable just because of where you mounted the radio! We have other lengths of cable available, see our eBay store Want a 6 PIN version? SEE MY OTHER LISTINGS!