Description English increments on bottom edge, metric increments on top edge. Calibrated two edges, one side. #20-320 200cm x 3.81cm (1 3/8 inch) 16ths, cm Fairgate rules and scales are manufactured from the highest quality hard, tempered aluminum to provide years of reliable service. These precision tools resist breaking and they are light for comfortable use and easy portability. Fairgate rules and scales meet the highest standards of accuracy and feature easy-to-read calibrations and smooth, true edges. ***
