All plastic 12" color coded scale features high quality fine engraved markings on a color coded bright white plastic scale. Color bars in the center of the scale are black, green and red. Calibrated Mechanical Engineer: Full Divided: 16 & 50 parts to the inch. Open divided: 1/8, 1/4, 1/2 and 1 inch to the foot 1/4, 1/2. 3/8, and 3/4 inch to the size. Made in Japan.