This 12" scale is a triangular shaped ruler that allows precise scale drawings for architects everywhere.
- High quality - Hard Plastic
- Color-Coded Grooves - for quick selection
- Three sides with six different scales
- Perfect ruler for architects and engineers
- Three sides: 3/32", 1/8", 3/16", 1/4", 3/8", 1/2", 3/4", 1", 1-1/2", 3", 16"
