What's that little recess / nick / indentation for? The one in the inside corner between blade and handle? Izzt for a pencil? Izzt so you can sneak in a feeler gauge right up to the edge? Izzt like the uvula?
Q about Engineering (steel) Squares
Oct 09, 2003
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It is for clearance. If you are checking squareness of two surfaces and the edge where the two surfaces meet together is not beveled, a small lip or burr would make checking difficult.
-Bruce
And all this time I thought it was a pivot.
Kevin
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