This is a tool that apple created for the A1707 and A1708 MacBook. This tool allowed access to the soldered SSD MacBook that is no longer functioning. Apple since removed the connector but watch this video if you would like to learn more about it.
Western Digital drive not responding
You were trying to plug in your drive and you snapped the connector. These things happen and you would think that board swap is as simple as taking off the old PCB and using the new one. But its not as simple. Let me show you. So what do you do? How to fix it? …