Westcott Proportional Scale, White (PS 69)

PROPORTIONAL WHEEL: 5 Inch Proportional Scale that calculates enlargements, reductions and maintains proportions when resizing; Use to resize an image to fit within a target width/height ACCURATE MEASUREMENT: Proportional wheel features calibrations for fractions below an inch printed in a second color EASY TO READ: Measuring tools is made of clear translucent plastic which allows viewing through to the page while you work MULTI PURPOSE: This measuring tool is ideal for artists, designers, architects, engineers, and students