Yeah, I have those too. Purchased for the same reason. Got the same result. They are not even close to the correct sizes. Terrible tools.

Since having bad luck with them, I just use an open end 11mm. Works great.

If you have a junk yard near you, with a W123, you can probably get the brake lines. That's what I did. But it's hit and miss obviously. Lines from a wagon will work too, FYI.

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