Most visitors online was 4107 , on 14 Jan 2023
Here is one that probably would of worked for you - McMaster-CarrI found that the thread was a regular
#10 - 24 and the female part was all still good. So, a stove bolt and a little washer got me back in business.
This tool is very handy but the materials are a little sketchy. Hopefully it will go another 25 years? Willie X
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Willie has it exactly right - and trying to tighten the screw further once you've got it in beat is almost guaranteed to throw it out of beat.Just loosen the screw and lightly snug it back down, adjust as necessary and your done. There is no need to tighten the tension screw.
I found the tool useless but maybe the modern ones are different, I have modified a pair of old snap on pliers.Yes a better one could be made, for a price.
The problem is that people try to use this little tool to turn a tight post. It is not to be used as a hand vise. Just loosen the screw and lightly snug it back down, adjust as necessary and your done. There is no need to tighten the tension screw.