Amazon.com: 3 Pack Two-Color Scale (inch, cm)Plastic Ruler Set Straight Ruler Plastic Measuring Tool for Student School Office (6 inch Ruler,8 inch Ruler, 12 inch ruler/15,20,30cm) : Industrial & Scientific
Lineal 20 cm
Amazon.com: 8 inch Rulers | 20 cm Rulers | Transparent Plastic Ruler | Pack of 12 of Premium Quality Rulers | Yellow, Green, Red and Blue : Industrial & Scientific
Prym Patchwork Square 20 x 20 cm Omnigrid Lineal, Kunststoff, transparent : Amazon.de: Küche, Haushalt & Wohnen
Amazon.com: 8 inch Rulers | 20 cm Rulers | Transparent Plastic Ruler | Pack of 12 of Premium Quality Rulers | Yellow, Green, Red and Blue : Industrial & Scientific
Lee&van Plastic Straight Ruler Set- Includes 12 inch/ 30 cm and 8 inch/ 20 cm Plastic Straight Rulers with Inches and Centimeters Measuring Tool for Kids, Architect, Engineers, Office, School : Amazon.in: Office Products
Amazon.com: 8 inch Rulers | 20 cm Rulers | Transparent Plastic Ruler | Pack of 12 of Premium Quality Rulers | Yellow, Green, Red and Blue : Industrial & Scientific
Amazon.com: 6 inch Rulers | 15 cm Rulers | Transparent Plastic Ruler | Pack of 12 of Premium Quality Rulers | Yellow, Green, Red and Blue : Industrial & Scientific
Amazon.com: 8 inch Rulers | 20 cm Rulers | Transparent Plastic Ruler | Pack of 12 of Premium Quality Rulers | Yellow, Green, Red and Blue : Industrial & Scientific
Amazon.com: 8 inch Rulers | 20 cm Rulers | Transparent Plastic Ruler | Pack of 12 of Premium Quality Rulers | Yellow, Green, Red and Blue : Industrial & Scientific
Amazon.com: 8 inch Rulers | 20 cm Rulers | Transparent Plastic Ruler | Pack of 12 of Premium Quality Rulers | Yellow, Green, Red and Blue : Industrial & Scientific