Special Features:

Black or blue markings; twoscales on one surface; inch scale from zero to six inches in increments of 1/16 in. And eight half-circles located on the edge w/diameters from 3 mm to 10 mm on one face of ruler; centimeter scale from zero to 15 centimeters in increments of one millimeterand marked spaces measuring from 5 mm to 14 mm on opposite side; one 0.040 inch diameter pin hole on one end

Properties:

A graduated measuring instrument with edges and ends smoothly polished to prevent injury to the patient. It is used for nasal and eye measurements.