This is a used binary trigger for the CZ Scorpion EVO.
I would estimate that it's been used to fire around 500 rounds so it still has a long life ahead of it.
This listing includes all hardware that would come new, including the 1.5mm and 3mm Allen keys for installation.
It does NOT come with the original documentation so I have added a link to a digital copy.
https://franklinarmory.com/content/BFSIII%20for%20CZ%20V3.3.pdf