No.204 Verulam 6 inch oval scale ruler with architects scales – imperial Scales: side 1 – 1:500 ft & 1:2500 ft side 2 – 1/8″, 1/4″ & 1/2″, 1″ = 1ft Manufactured in the UK for accuracy One supplied in a re-usable clear plastic sleeve. Image shows each side of one ruler. Made from white ABS plastic