Creative Grids Quilt Ruler 8-1/2in x 24-1/2in Creative Grid are premium acrylic quilt rulers made in the USA. Sold Individually. This 8-1/2 inch x 24-1/2 inch rectangle ruler features easy-to-read black and white markings printed in 1 inch grids marked in 1/8 inch and 1/4 inch increments.