The Strip Tube Ruler by Cozy Quilt Designs

The Strip Tube Ruler! You asked for it, and here it is! This ruler makes half square triangles a breeze by combining brilliant engineering with the tube technique. It's perfect to use with strips and even includes directions to make your favorite block from 2.5" strips.
Download your Strip Tube Bonus Guide Here

With this great gadget you can easily make accurate half square triangles from 1" to 9.5"!