Use this 22-1/2 degree triangle ruler designed by Erin Underwood for Creative Grids® to cut wedges up to 18in. Create a complete circle with sixteen wedges. Also great for making Fans and Dresden Plates. · 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. · Contains six different angled lines for endless design possibilities. · Use the angled lines to create 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 from 1in up to 18-1/2in 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: 7-3/4in x 18-1/2in Creative Grids® Rulers are made in the USA and sold through independent quilt shops as well as select online retailers. Creative Grids® products have a MAP/IMAP (Minimum Advertised Price/Internet Minimum Advertised Price) Policy. Please do not advertise them for less than the suggested retail price.