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How to Use a Speed Square for DIY Projects
Learn More › Also known as a rafter square or triangle square, the speed square, invented by Albert Swanson, has been making woodworkers’ lives easier since 1925, thanks to its versatility and ...
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10 Handy Hints To Get More Out of Your Speed Square
That diamond cutout can be used to make a notch, or a birdsmouth, for rafter work. The Swanson Speed Square can sub in as a ...