With tape measures, we mostly focus on the numbers. But if you've noticed black diamonds spaced every 19.2 inches, it turns ...
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What those red boxes on your tape measure really mean
If you've been using a tape measure while working on home projects, you may be wondering why some of the numbers are red.
A tape measure comes with several markings that some may not know, like the black diamonds. Here's what those symbols mean and how you can use them.
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