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David S.
Reviewed in the United States on May 8, 2025
The slider is too loose and has no mark to indicate the size properly. Due to the loose slider you can expect it to give you measurements up top two sizes off. Do not buy this!
Roger Miller
Reviewed in the United States on April 28, 2025
They are well made, but not very accurate, there is no marking except for the screw head that is over a 1/4 inch.I would not buy again or recommend
Craig Y.
Reviewed in the United States on April 28, 2025
Don’t be fooled by this piece of junk. It does not come close to measuring anything accurately. Definitely not worth the $9. The only thing that works on it is the key clip.
melissa martinez
Reviewed in the United States on April 1, 2025
This thread checker is a great little tool to have around. It's not ultra-precise like high-end machinist tools, but for the price, it's surprisingly accurate and gets the job done for most tasks. The sizing is reliable enough for everyday use, and the build quality feels sturdy. Overall, a very affordable and practical solution—definitely worth it if you're not doing ultra-fine measurements
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