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House Digest on MSNSpeed Square Basics You'll Want To Know For Your Next Wood DIYThe carpenter's square (also known as a rafter square but most commonly referred to as a Speed Square, a trademark of the ...
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How to Use a Speed Square for DIY ProjectsLearn More › Also known as a rafter square or triangle square, the speed square, invented by Albert Swanson ... multitasking wonder as a scribing tool, a protractor, a miter square, a try ...
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