The KZ is the most comfortable ratchet I own. I don't like ratchets with "screwdriver" handles for some reason. That is why it is my "go to" more than any other 3/8.
The AD ratchet was made overseas and came with the spline drive socket sets, which explains why I have never seen one.
https://www.garagejournal.com/forum/...#post-10534407