Fairgate® 12" Eluxite Aluminum Centering Ruler
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.