These headers can be a bit unstable compared to other headers (not glued so the pins move around).
U
UQAM Genie Microelectronique/systemes embarques GUY PARADIS
Super
Mieux en réel que sur la photo / better than the picture
l
lmimkac
The best choice
These are standard Arduino stackable header connectors. Bough multiple of them, no issue found. Please beware that this kit is the only comaptible one with genuine Arduino.
R
Rob
Works as expected
Just what you need if you need a little more room.