“Fine I guess, but seems expensive. I was happy to pay for the convenience, but these didn't work especially well with the RPi Build HAT (Lego controller) and so I had to order some extra board spacers to hold everything in place. Without those you just don't get a good connection - pins too fine or housing too flexible?”
“The header pins are very long but it was exactly what I needed. I was unable to connect a ribbon to the gpio pins due to my cpu fan so this header did the trick to extend the connectors and now I can use the gpio perfectly without issues.”
“Briefly used this product to allow a Mopi 2 UPS to be connected to a Pi Zero, but then decided to mount the Mopi alongside the Pi Zero instead of stacking it. Will keep for future projects that require boards to be stacked.”