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Guiding Saw Cuts
Speed squares are a quick saw guide for cutting 45- and 90-degree angles. The plastic squares are thicker than most metal ones, making them a good fence for the shoe of a circular saw to ride along.
Check out other essential saw cutting guides.
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Swing the square until you read the desired angle on the board’s edge, and make your mark. Shown being marked is a 33-1/2 degree angle.
Learn how to get tight miters for your next project.