Accurate and versatile. Three sides with six different scales. Open divided: 3/32, 1/8, 3/16, 1/4, 3/8, 1/2, 3/4, 1, 1 1/2, 3" = 1 foot. 12" long. White plastic.
Change units by rotating dial at either end of scale. 12" measuring length, exact calibrations. Highest quality aluminum. Adjusts to 1/16, 1/8, 1/4, 1/2, 1:1 and 2:1.
Change units by rotating dial at either end of scale. 12" measuring length, exact calibrations. Highest quality aluminum. Adjusts to 10, 20, 40 and 50 parts to the inch.