Slender core triangular scales feature precise etched graduations. All are white unless otherwise indicated. In plastic pouch
- Architect Graduation
- Open divided: 3/32, 3/16, 1/8, 1/4, 3/8, 1/2, 3/4, 1, 1H, and 3 inch to the foot
- Fully divided: 16 parts to the inch
