QUILTER'S RULE-Quilter's Mini Rule. This 6x6 inch mini quilting ruler is made of 1/8-inch thick clear acrylic and has textured black markings on the bottom surface. The main grid lines run horizontally and are spaced every 1/4 inch. There are also 45-degree angle lines running on the diagonal at 1 inch increments. Each package contains one Quilter's Mini Rule. Made in USA.