Clear Scale Rulers: Light weight but sturdy, smooth, won't break or scratch your fingers easily, you can use this triangular ruler for a time with
Adisalyd Ruler 12 inch, Clear Plastic 12 inch Ruler, Apply to
Math Ruler
12 Inch Rulers in Rulers, Compasses & Protractors
30 Packs Clear Plastic Ruler 12 Inch Straight Ruler with Centimeter and Millimeter, Metric Rulers Bulk for Kids Classroom School Office : Office Products
EBOOT 20 Pack Clear Plastic Ruler 12 Inch Straight Ruler Flexible Ruler with Inches and Metric for School Classroom, Home, or Office (Clear)
12 inch Rulers, 30 cm Rulers, Transparent Plastic Ruler
30cm/12 Plastic T-Square Metric Ruler cm/inch Double Side Scale
8pcs Transparent Triangular Ruler High Aesthetic Ruler
30PCS Clear Ruler Plastic Rulers 12 Inch, with Inches