Multiscale Products Scaler

Unique scale set designed for the ENGINEER, ARCHITECT, BUILDER, DESIGNER, STUDENT and other users of architectural and engineering drawings. 6 leaves printed both sides and eyeleted in a protective vinyl jacket. 6 Engineer English Ratios: 10, 20, 30, 40, 50, 60 parts/inch. Engineer Metric Ratios: 20, 331/3, 40, 80, 100 parts/meter 12 Architect Ratios: 31/2, 1, 3/4, 1/2, 3/8, 1/4, 3/16, 1/8, 3/32, 1/16, 1/32, inches/foot Reverse side of jacket has bar scale in Centimeters and Inches for use in photos.