Made in the USA with high quality acrylic and precision measurements ensuring accuracy for your quilting, sewing, patchwork, and crafting projects. Creative Grids exclusive non-slip grip allows you to easily slide the ruler over the fabric until positioned correctly. Then, when slight pressure is applied, the grip holds the ruler in place, eliminating slipping while you cut. A true 6in x 6in square ruler. 1in grid lines are marked in solid black, 1/2in lines are marked with black and white dashed lines, and 1/4in marking are in the form of white plus signs. Black numbers are printed on white squares making it easy to read and to show them apart from the rest of our line. The 45 degree angled line makes this ruler the perfect choice for squaring up half-square triangles in both whole and half inch increments. Total Size - 6in x 6in The Basic Range series designed by Rachel Cross for Creative Grids really keeps it simple. They have our signature grip and black and white markings that are easy to see on any fabric.