Filter CategoriesFilter - All Add to basket £4.99 ex vat No 3 Academy Architects Scale Rule 12" (300mm) Add to basket £8.33 ex vat Metric A Academy Triangular Scale Rule 12" / 300mm Add to basket £8.33 ex vat No 1 Academy Architects Triangular Scale Rule 12" / 300mm Add to basket £4.99 ex vat No 2 Academy Civil Engineers Scale Rule 12" (300mm) Add to basket £4.99 ex vat No 1 Academy Mechanical Engineers Scale Rule 12" (300mm) Add to basket £8.33 ex vat No 30 Academy Triangular Scale Rule 12" / 300mm Add to basket £8.33 ex vat Imperial Academy Architects Triangular Scale Rule 12" / 300mm Add to basket £8.33 ex vat No 4 Academy Architects Triangular Scale Rule 12" / 300mm Add to basket £8.33 ex vat No 6 Academy Surveyors Triangular Scale Rule 12" / 300mm Add to basket £8.33 ex vat No 9 Academy Architects Engineers Triangular Scale Rule 12" / 300mm Add to basket £8.33 ex vat ISO NORM 1 Academy Architects Engineers Triangular Scale Rule 12" / 300mm Add to basket £8.33 ex vat ISO NORM 2 Academy Architects Surveyors Triangular Scale Rule 12" / 300mm