ALVIN - 98/ARC - Black Series, Triangular Architect Scale, Made of Aluminum, Multipurpose Drafting Ruler for Drawing, Planning, and Design - 12 Inches

High-quality, black anodized aluminum scales have a large profile, hollow core, and tapered edges. Printed white graduations and color inlaid furrows. Supplied in hard plastic case. All architect scales have the following graduations unless otherwise noted: 3/32, 3/16, 1/8, 1/4, 1/2, 1, 3/8, 3/4, 1 1/2, 3 inches to the foot; one edge to 16ths.