Starrett Ruler #C304SRE
This semi-flexible steel rule from Starrett, is incredibly accurate. One side of the rule is graduated in 32nd 64th inch increments. The other side is in 8th and 16th inch increments, and also has etched increments on the short ends in 32nd inch intervals. Overall dimensions are 12" long X 1" wide X 1/40" thick.