- 12 Inch Plastic T-Square, 3-Pack - Drafting & Crafting T-Square Ruler - Clear

Multi-Purpose Rolling Ruler Parallel Glider Clear Vintage Drafting

Helix Standard Imperial Metric Ruler Orange 12in 3 hole #13105

Vintage Clear Plastic Multi Purpose Rolling Ruler - Made in Taiwan - 12 inch

VTG HELIX SHATTER RESISTANT FINGERGRIP 12" RULER #10127 MADE IN ENGLAND 10THS/CM

Helix Ruler 1223 Architecture Drafting Scale K85 Ruler Made in England

Vintage 3-sided 12" Ruler Taco #4847 Hardwood Engineer Made in England Met/Std

Dietzgen 12" Triangle Ruler 1667-BG made in Germany and Graph Paper made in USA