Generally accurate and well designed. As expected. However, I quickly found that some of the ruler's joints are too tight and rub against each other so much that I have to use enough force to open or fold the ruler, which is a big problem when you're doing this all day . WD40 helps a little but doesn't last long. Don't buy another one as I only use it a few months a year. [Of course, that doesn't sound like my latest Crescent/Lufkin rule. which literally had numbers out of order (kinda collected wrong, had to return these) but still annoying as it shows quality control issues.]
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