It's strong and much thicker than a normal folding rule but it wasn't as accurate as I had hoped. I've tested it with several other rulers, including the Architect's ruler, and at about 12 inches, it was off by almost 1/64th. It's not essential for most household tasks or normal carpentry work, but if you need a high level of accuracy I'd suggest looking elsewhere. After some use, I recently tested this and found it great for flatness detection.
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