General Tools CF676 Precision Rigid Steel Rule General Tools and Instruments CF676 Precision Rigid Steel Rule, 6 In., 3/4 In. Wide, 1/8-1/16/-1/32-1/64-mm and .5 mm is a ruler is for machinists The markings are ultra fine black for easier reading and deciphering The rule is 6 Inch long and has a width of 3/4 inch; Features a satin chrome finish The graduations of measure are 1/8, 1/16/, 1/32, 1/64 inch, millimeters and .5 millimeters Made in the USA General Tools and Instruments CF676 Precision Rigid Steel Rule, 6 In., 3/4 In. Wide, 1/8-1/16/-1/32-1/64-mm and .5 mm is a ruler is for machinists The markings are ultra fine black for easier reading and deciphering The rule is 6 Inch long and has a width of 3/4 Inch The graduations of measure are 1/8, 1/16/, 1/32, 1/64 inch, millimeters and .5 millimeters Features a satin chrome finish