Available in silver or black, with grooves in single or tri-color. Enameled Grooves 3 color-coded grooves make it easy to find the scale you needed. Laser Etched Scales Numbers are etched not painted on the rulers. Never start to rub off or fade. Durable To Use Made of high impact aluminum. Solid metal construction. Nice clean edges without ridges to make perfect lines. Perfect for the drafting and measuring of architectural drawings. 3 Sides & 6 Different Scales,The triple-sided architect ruler includes: 1-1/2", 1, 3/4", 3/8", 3/16", 3/32", 1/2", 1/4", 1/8", 3, and 16.
