6 Inch Rulers, Colored Clear Centimeters 6 Inches, assorted colors

4 Pack 6-Inch Straight Rulers,Clear Plastic Ruler, Centimeter and inch Ruler ...

Plastic Ruler 12 inch, Clear Rulers with Hanging Holes, Inches, Centimeters, ...

Vintage Lot of 11 Wood & Plastic Rulers 12 inches Advertising

Acme Folding Ruler with Color Variety - 6-Inch, Essential for Schools & Offices

4 Pack 12 Inch Straight Rulers,Clear Plastic Ruler, Centimeter and inch Ruler...