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23 Inch and 21 metric sizes
The nut/bolt thread checkers are color coded, with blue units for the Inch measuring system and red units for the Metric system, this set offers 23 Inch and 21 metric sizes to ensure versatility for various projects.
Foam padding with the size labeled
The foam padding with the size printed next to each part, you can pull these out separately and bring them to a stud or threaded hole, this makes it so easy to know exactly what size and thread pitch each one is.
Rmovable thread checker set
You can remove any of the bolt checker at will for a quick bolt thread identifier, with the individual gauges you can take the gauge to the equipment and check.
timhatch39
Reviewed in the United States on September 10, 2024
This is a fairly specialized tool. However, what a great tool set when you need it. No more guessing what size bolt or screw you have, just match it up. Super easy. The design of this set is perfect. I think it’s a great product.
Richard
Reviewed in the United States on July 22, 2024
I have a nut and bolt thread checker that are mounted on a metal piece but these removable ones make it much easier to check thread sizes in situations where the mounted ones are't as convenient.These are securely contained in a very nice case that fits nicely in a drawer of my toolbox so they are always handy. Well made and should last a lifetime. Very happy with the price and the quality.
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