Straight, square sectioned measuring rod - English

English, unsigned two colour (light and dark) wooden measuring rod with copper alloy encased ends. The rod is straight and square sectioned, it resembles a gauging rod. The two opposite sides are divided into 100cms (not sub-divided) and numbered 5 10 5 20 5 30 etc. (the final division and no.100 is marked on the brass ends). The other two opposite sides are blank.