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. Easy to read black and white markings. Works well with a 60 degree equilateral triangle ruler. Comes with fully illustrated step by step instructions. Scan the QR Code printed right on the ruler to view a how-to video and to see the patterns that can be made with this ruler. Total Size – 7-1/2in x 12-1/2in Use this 30 Degree Triangle Ruler, designed by Sheila Christensen for Creative Grids, to cut a wide variety of shapes that fit into a 60 degree grid. Also great for making half-rectangles, half-trapezoids, half-diamonds, and half-hexagons.