October 22, 2014 Add as a preferred source on Google Add as a preferred source on Google Most speed squares have a notch at the 90 degree corner which is used to determine angles. To draw a circle ...
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Why a speed square belongs in every toolkit
This video explains why a speed square is one of the most useful tools for layout, angles, and quick measurements. Simple, reliable, and versatile—what tool do you reach for first? Apple issues major ...
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