Filter CategoriesFilter - All 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£14.16 ex vatNo 4 Verulam Architects Triangular Scale Rule 12" / 300mm Add to basket£15.58 ex vatNo 2 Verulam Engineers Triangular 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£14.16 ex vatNo 6 Verulam Surveyors Triangular Scale Rule 12" / 300mm Add to basket£14.16 ex vatISO NORM 1 Verulam Architects Engineers Triangular Scale Rule 12" / 300mm