Description No.3 Verulam 150mm architects flat oval scale rule – RIBA approved: Made from white ABS plastic Scales: side 1 – 1:1, 1:100 & 1:20, 1:200, side 2 – 1:5, 1:50 & 1:1250, 1:2500. The overall dimensions of the ruler are 169mm x 35mm and the scales go up to 150mm UK manufactured for reliable accuracy. Supplied in a clear re-usable plastic sleeve.
