“What is misleading is the stated measurements. What is conveniently omitted is that the thread is included in the length. For the Pi 4 you actually need 16mm stand off because the gap between the Pi and the HAT is 10mm plus you need the thread over and above this.”
“Great colour, and they screw right in! They're a bit quiet though. I was rather hoping that they would play The Ride Of the Valkyries once installed.”