Koh-I-Noor Architect Triangular Scale, Student-Grade, 12 Inches, 1 Each (3272BC) Architect measurements: 3/32, 1/8, 3/16, 1/4, 3/8, 1/2, 3/4, 1, 1-1/2, 3:1, 16 Measurements are clearly printed on plastic face Precision-crafted to assure accuracy 12 inches long Easy to use