The SEGGER J-Link 6-pin Needle Adapter has been designed to connect J-Link to a PCB which does not come with a mating connector or programming header.
No additional connector required on your PCB Very small footprint - even smaller than the footprint of the J-Link 10-pin Needle Adapter. High reliability spring pins for secure connections Designed with 3 locating pins, so the adapter can not be connected the wrong way