Staedtler - Mars Tri-Scale Ruler - Architect Style - 12" Imperial - Student - Item #98719-31BK

-Triangular scale is perfect for architects
-12" imperial scales with architect gradations.
-Scales included: 3/32, 3/16, 1/8, 1/4, 3/8, 1/2, 3/4, 1, 1-1/2, 3, 16.
-White, solid plastic
-Easy to read, long lasting graduations
-Durable and lightweight