Abstract: The present invention is a multiple angle measuring gauge and also a fence system which incorporates the stop mechanism. The stop mechanism has a body member which slides on the fence. A workpiece positioning member includes a rod and support for the rod. A workpiece head is cooperatively connected to one end of the rod for engaging the molding. The rod is releasably locked in relative position to the support means. The rod preferably has at least 21/2 inches of travel and the rod is slideable on the support. A 90.degree. ruler is cooperatively connected to a back member of the fence and a 45.degree. ruler is cooperatively connected to a top surface of the bottom member of the fence.