Cozy CQD05001 Quilt Designs Strip Tube Ruler" /> Makes half square triangles a breeze by combining brilliant engineering with the tube technique Perfect to use with strips and even includes directions to make our favorite block 'Great gadget, you can easily make accurate half square triangles from 1 to 9.5 inches' 'With this great gadget, you can easily make accurate half square triangles from 1 to 9.5 inches' Must have item Item number: CQD05001