Get your most precise measurements correct the first time with this scholastic architects' scale. Printed in three colors for easy scale identification, this standard drafting tool is fully divided and numbered in 3/32, 1/8, 3/16, 1/4, 3/8, 1/2, 3/4, 1, 1.5 and 3" to the foot and 16ths to the inch. Details:12" in length12 scales3 colors/3 sides