Add Yahoo as a preferred source to see more of our stories on Google. In the realm of woodworking, construction, and DIY projects, the Speed® square is a humble tool. It’s one you might use on every ...
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How to Use a Speed Square for DIY Projects
We may earn revenue from the products available on this page and participate in affiliate programs. Learn More › Also known as a rafter square or triangle square, the speed square, invented by Albert ...
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