The Strip Tube Rulers make half square triangles a breeze by combining brilliant engineering with "the tube technique." It's perfect to use with strips and with this great gadget, you can easily make accurate half square triangles.
Strip Tube Junior™ has all the talents and magic of the original, but comes in a smaller, more convenient size. Junior is perfect for making blocks 61/2" or smaller.
Just like using a smaller square-up ruler, a smaller Strip Tube Ruler™ gives you the right tool for the right job. The Strip Tube Junior™ is also wonderful for squaring up any blocks that have a diagonal seam with just one cut!
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