A Speed Square, also a rafter or triangle square, covers many uses. Understand how to use a Speed Square and how it can be used in various home improvement DIY projects. Here are a few of those ...

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 ...

Combination squares might seem like an advanced tool for professionals only, but they’re more useful for amateur DIYers and woodworkers than you might think. Their 90-degree handle is not only useful ...

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 ...