Starrett C316R-12 Full Flexible Steel Rule With Inch Graduations, 16R Style Graduations, 12" Length, 1/2" Width, 1/64" Thickness Quick-Reading graduations for fast measurements Aircraft Quick-Reading graduations feature a staggered line pattern for easier reading Machine-divided graduations for accuracy and durability Satin chrome finish reduces glare Measurement Graduations: 1/32 inches, 1/64 inches, 1/50 inches, 1/100 inches