Omnigrid Quilting 4.5 inch Square Ruler
4½" square Omnigrid ruler, are made of durable acrylic plastic with both yellow and black printing, allowing the user to see the grid on both light and dark fabrics. Features a left- and right-handed numbering system and bias lines oriented to the bottom of the ruler, which eliminates the need to flip and turn the ruler to use both sets of diagonal lines. Omnigrid rulers are extremely accurate; each ruler is laser cut to within a .002"" accuracy. Features a 1/8"" grid edge marking ideal for small drafting in detail work, cutting and squaring small blocks, foundation piecing, memory books, quilt labels and more.