Ruler 30 cm (12 inch) Metal Craft Safety Ruler, Light Weight with a Folding Safety Guard. Centimeters and Inches. Use with Craft Cutting Mat, Craft Cutter, Rotary Cutter,Stanley or Xacto. : Amazon.co.uk:
Jakar Aluminium Cutting Ruler with Grip Handle 45cm – Clark Craft Products
Rumold Aluminium Cutting Ruler | 50,000+ Art Supplies | Your Art Superstore