For Mini Brass Ruler with Triangle Geometry Design and 180-Degree Protractor

6PCS Geometry Tool Set Transparent Rulers Protractors Triangles for Measurement

For Mini Brass Ruler with Triangle Geometry Design and 180-Degree Protractor

Brass Drafting Tool Set Includes Ruler Triangle and Protractor for Learning

For Mini Retro Brass Ruler with 6-Inch Scale and Dual Metric English Markings

For Mini Brass Ruler Kit Includes Triangle Ruler and Protractor for Cartography