General Tools 308 Pecision Flex Steel Rule, 3/4 x 6-Inch General Tools and Instruments 308 Precision Flex Steel Rule, 6 In., 3/4 In. Wide, 1/32 and 1/64 Inch is a ruler is for machinists The markings are ultra fine black for easier reading and deciphering The rule is 6 inches long, and has a width of 3/4 inches The graduations of measure are 1/32 and 1/64 Inch Polished stainless steel finish