Be the ruler of your sewing room! The Omnigrid Ruler Pack contains one each of 3 Omnigrid quilting rulers (4" and 6" squares and 1" x 6") to make a variety of measurements. The 4" square includes a 1/8" grid for miniatures. The 6" square includes 30-, 45- and 60-degree angles. The 1" x 6" ruler checks and marks seam allowances.