QUILT IN A DAY-9-1/2 inch Triangle Square Up Ruler. Make perfect half triangle squares and quarter triangle squares in sizes up to 9- 1/2 inches with the help of this ruler. It's made of heavy gauge acrylic and features 1/8 inch, 1/4 inch, 1/2 inch, and 1 inch lines, a 45 degree line, and is laser precise. This package contains one 9- 1/2x9-1/2 inch ruler. Made in USA.