General Tools CF1264 Ultra Test Flex Steel Rule General Tools and Instruments CF1264 Ultra Test Flex Steel Rule, 12 In., 1 In. Wide, 1/8-1/16-1/32 and 1/64 is a ruler is for machinists The markings are ultra fine black for easier reading and deciphering The rule is 12 inches long, and has a width of 1 inch The graduations of measure are 1/8, 1/16, 1/32 and 1/64 inch Features a plastic sleeve for corrosion prevention and a hard satin chrome finish General Tools and Instruments CF1264 Ultra Test Flex Steel Rule, 12 In., 1 In. Wide, 1/8-1/16-1/32 and 1/64 is a ruler is for machinists The markings are ultra fine black for easier reading and deciphering The rule is 12 Inch long and has a width of 1 inch The graduations of measure are 1/8, 1/16, 1/32 and 1/64 inch Features a plastic sleeve for corrosion prevention and a hard satin chrome finish