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. Made in the USA Use the angled lines to create a variety of intricate blocks. Use the vertical lines to fussy cut stripes or to cut half-triangles. 1/4in seam allowance is clearly marked. Use the horizontal lines to cut wedges and kites up to 9-1/2in and every 1/4in in between. 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 – 4-1/2in x 9-3/4in Create intricate 12in finished blocks with no need for paper templates, with this ruler, designed by It’s Sew Emma’s, Kimberly Jolly, for Creative Grids. Sew twelve of these 30 degree triangles together to create a complete circle or use the angles to create a variety of designs.