Marti Michell My Favorite Universal Ruler. These acrylic rulers feature metric measurements and inches on the same ruler. Perfect for a rotary cutter with fabric, paper, vinyl, and more. Ruler features inch measurements down to 1/8 inch and centimeter measurements down to the millimeter on both the long and short sides of the ruler; 45 and 60 degree angle markings in two directions. Ruler measures a true 18 by 6 inches. Made in USA.