There are two main benefits of the Wera, the first is the size.
They particularly complained about "wobbly bits" in the wera, which I don't find at all, in fact it seems to have a very tight and positive engagement)
I agree with the reviewer. After some use those little retaining pieces loosen up considerably on the Reverse Gear models. Not enough to make the bit actually loose (yet) but they don't engage it as firmly as Stahlwille's six springs or Felo's magnet.
Also, I will have some pictures of the mini 1/4 inch stahlwille ratchet tonight.
I hope you're not expecting it to be as small as Wera, because it's quite a bit bigger: longer and bigger head.
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(Old model, but it looks like the handle is the same. I wonder if the 80T gearing fits this housing.)
The second is linked to the pass through extension of the facom. While the benefit to the facom is that you can locate the extension in a way that it can't pass through as well, I had multiple occasions where I tried to apply pressure only to have the extension just push through the head. I can easily pop the facom off and through the wera on and not have that issue.
That's fair enough. Does the Wera extension pop through the Facom's head as well?
My main complaint with both of them is the relatively high backdrag which I'm hoping will "wear in" a bit. I'll see if the Stahlwille fine tooth is significantly better here and post feedback.
Alas, I haven't found their backdrag to improve. Assuming the Wille bit ratchet's feel is consistent with my 80T 1/4" drive locking flex - and it should be: we're talking Stahlwille here, not a company with indifferent QC like Snap-on! - it will be much better in feel than the Reverse Gear stuff. However, the older - 22T? - Wille is a little too notchy for my taste. Better than Reverse Gear, but more like Williams than Koken.