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Helix Angle & Circle Maker


Two-in-one protractor and compass has holes for drawing circles like a compass and slots for drawing angles like a protractor. Interior disc rotates 360 degrees, making this tool super easy to use. Diameter is 5-3/4". Makes circles from 1/8" to 5-3/4" in 1/16" increments. Exterior circle comes in assorted colors.

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