Filter CategoriesFilter - All Add to basket£5.49 ex vatNo 3 Academy Architects Scale Rule 12" (300mm) Add to basket£8.33 ex vatISO NORM 1 Academy Architects Engineers Triangular Scale Rule 12" / 300mm Add to basket£8.33 ex vatISO NORM 2 Academy Architects Surveyors Triangular Scale Rule 12" / 300mm Add to basket£9.16 ex vatImperial Academy Architects Triangular Scale Rule 12" / 300mm Add to basket£8.33 ex vatNo 6 Academy Surveyors Triangular Scale Rule 12" / 300mm Add to basket£5.49 ex vatNo 2 Academy Civil Engineers Scale Rule 12" (300mm) Add to basket£8.33 ex vatNo 4 Academy Architects Triangular Scale Rule 12" / 300mm Add to basket£8.33 ex vatNo 9 Academy Architects Engineers Triangular Scale Rule 12" / 300mm Add to basket£4.99 ex vatNo 1 Academy Mechanical Engineers Scale Rule 12" (300mm) Add to basket£9.16 ex vatMetric A Academy Triangular Scale Rule 12" / 300mm