Connect this to that when an 18-pin FPC connector is needed. This 50mm long cable is made of a flexible PCB. It's A-B style which means that pin one on one side will match with pin one on the other side. How handy!
We're stocking this to fit with our EYESPI-compatible boards, but you could, of course, use it for anything that needs a 0.5mm pitch FPC.