18" Eluxite Aluminum Centering Ruler by Fairgate
Rigid but lightweight hard aluminum. Ideal measuring aides for dividing and gauging layouts printing spacing lettering etc. Calibrated in 32nds and 16ths. To find the center of any two- or three-dimensional object place the rule on the object so that the same measurement appears to both left and right of the zero mark. Zero will indicate the exact center. 1¾" wide.