PITTSBURGH, Aug. 7, 2025 /PRNewswire/ -- "I work in construction, and I thought there could be a speed square with multiple integrated levels," said an inventor, from West Palm Beach, Fla., "so I ...
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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 ...
To be successful. carpentry projects must be square, level, and plumb. Square means that corners are 90 degrees. Level is always gauged by a device, such as a carpenter's level, but level does not ...
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