Mini 3 Inch Metal Science Ruler And Multitool With Metric And Imperial Scales Protractor And Compass Nerdy Tech Gear For Students And Makers Perfect Graduation Gift And Everyday Lab Companion

Compact metal ruler with protractor and compass - single
✔️ Card-sized stainless ruler with metric and imperial scales

This compact stainless-steel pocket tool combines a ruler, a protractor, and a compass in a single card-sized device. It's ideal for students, makers, engineers, and lab pros who need quick measurements in the field or at the bench.

✅ 3-inch (76 mm) ruler with metric and imperial scales
✅ Integrated protractor for 0-180 degree measurements
✅ Built-in compass for quick direction finding and plotting
✅ Laser-etched reference data and constants for quick lab checks

💡 What is a pocket metal ruler with protractor used for in STEM labs?

It’s a compact, durable reference tool for fast measurements and conversions on the bench or in the field.

- quick bench measurements and angle sketches in lab and field
- handy unit conversions and reference constants on hand
- compact desk-friendly tool for students, researchers, and makers
- durable stainless steel construction for wet labs and workshops