18" Alvin Aluminum Architects Scale 2200 Series

Alvin 18" Aluminum Architects Scale for architectural drawings made of high quality anodized aluminum scale with a large profile, solid core and tapered edges. It is printed with black graduations.

Graduations: 3/32, 3/16, 1/8, ¼, ½, 1, 3/8, ¾, 1 ½, 3” to the foot;
with one edge calibrated to the 16ths