FAIRGATE 23-136, 36" x 1-3/4" Center finding Rule

36"x 1-3/4"Center finding Aluminum Rule,Zero point in ctr increments to L/R.Allows quick location of ctr between two points.Useful in picture matting,forms creationsand locating button hole and pleats in pattern making.Calibrated two edges one side bottom edge standard rule,16ths,32nds