---
product_id: 239457381
title: "The Authentic Pocket Engineer - Small Metal Engineering Ruler Protractor Compass Scale, Techie Graduation Gadget Multitool, Mechanical/Civil Engineers Gift, Metric Mini 3 Inch Tool- Genius Lab Gear"
brand: "genius lab gear"
price: "€ 25.44"
currency: EUR
in_stock: true
reviews_count: 13
category: "Genius Lab Gear"
url: https://www.desertcart.at/products/239457381-the-authentic-pocket-engineer-small-metal-engineering-ruler-protractor-compass
store_origin: AT
region: Austria
---

# 3-inch precision ruler 5° angular protractor laser-etched stainless steel durability The Authentic Pocket Engineer - Small Metal Engineering Ruler Protractor Compass Scale, Techie Graduation Gadget Multitool, Mechanical/Civil Engineers Gift, Metric Mini 3 Inch Tool- Genius Lab Gear

**Brand:** genius lab gear
**Price:** € 25.44
**Availability:** ✅ In Stock

## Summary

> 🛠️ Engineer your success with precision in your pocket!

## Quick Answers

- **What is this?** The Authentic Pocket Engineer - Small Metal Engineering Ruler Protractor Compass Scale, Techie Graduation Gadget Multitool, Mechanical/Civil Engineers Gift, Metric Mini 3 Inch Tool- Genius Lab Gear by genius lab gear
- **How much does it cost?** € 25.44 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/239457381-the-authentic-pocket-engineer-small-metal-engineering-ruler-protractor-compass)

## Best For

- genius lab gear enthusiasts

## Why This Product

- Trusted genius lab gear brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Pocket-Sized Precision:** Carry a full engineering toolkit in your wallet—ruler, protractor, and compass all in one sleek 3-inch metal card.
- • **Built to Last a Lifetime:** Crafted from laser-etched stainless steel, this multitool resists wear and tear, ensuring your measurements stay sharp for years.
- • **Dual Metric & Imperial Scales:** Seamlessly switch between centimeters, millimeters, and inches for flawless measurements on any project or blueprint.
- • **Instant Engineering Reference:** Never pause your workflow—quickly access essential engineering formulas, unit conversions, and constants right at your fingertips.
- • **The Ultimate Gift for Tech-Savvy Pros:** Impress engineers, students, and makers with a stylish, practical gadget that screams ‘I mean business’—perfect for desks, pockets, and toolkits.

## Overview

The Authentic Pocket Engineer is a compact, credit card-sized stainless steel multitool combining a 3-inch ruler, 5° protractor, and compass. Laser-etched with essential engineering references and dual metric/imperial scales, it’s designed for professionals and students who demand precision and convenience on the go. Durable and portable, it’s the perfect everyday carry for engineers, architects, and DIY enthusiasts.

## Description

Product description Always be ready to measure, calculate, and fix anything with The Pocket Engineer The Pocket Engineer is a wallet ruler and conversion reference that's an every-day carry tool designed for engineers. We've packed as many handy tools and references as possible into this little laser-engraved and laser-cut stainless steel card to make your technical work a little easier every day. A Textbook In Your Pocket - A small compact 3 inch form factor in your wallet hero-video This stainless steel card is packed with reference information for engineers including unit conversions, equations, and physical constants. It's also a wallet ruler, protractor, compass, photogrammetric ruler, and pipe inner diameter measurement tool. A versatile tool for professionals and students! Fits with your credit cards Sized like a credit card or ID for stealthy every-day carry in your wallet for field or lab work. You'll always be ready for anything in the field Used by civil, mechanical, nuclear, and materials engineers on the job for quick questions. Measure inner diameters (ID) up to 1.25 inches Insert corner vertically and measure pipe or tube diameters with 1/8th to 1 1/4" openings. Perfect for failure analysis or field samples Laser-etched high-contrast metric scale shows brightly in an image to set the pixel:length ratio. Packed with every-day essential reference info Save time on homework for common temp, pressure, power, mass and length unit conversion on the back. The Pocket Engineer - More than a ruler You'll have a textbook at your fingertips without a clumsy 12 inch ruler We designed every single aspect of The Pocket Engineer to make it as functional and long-lasting as possible. Packed with every-day essential reference info. The laser-engraved unit conversions and engineering equations will save you time and keep you working on your craft instead of searching the internet or old textbooks for the exact numbers. A perfect gift for an engineering student going off to college, an engineer's graduation, a passionate machine shop teacher or a professional engineer. "Gifts for Engineers" list - More cool STEM Pocket tools! The Pocket Engineer The Pocket Chemist The Pocket Physicist The Pocket Scientist The Pocket Paleontologist The Pocket Scientist HS The Pocket Chemist ExamEd Laser-cut stainless steel allows a 3 inch ID-size form factor to last a lifetime What is the purpose of this stainless steel card? It serves as a practical tool for engineers and makers as an everyday carry gift, fitting in your wallet or money clip alongside credit cards or IDs. What is the purpose of this stainless steel card? It serves as a practical tool for engineers and makers as an everyday carry gift, fitting in your wallet or money clip alongside credit cards or IDs. What reference information does it contain? It includes basic engineering equations, physical constants, and unit conversions that would normally be in the cover of a textbook. No need to grab your distracting phone while doing homework on on the job site. What reference information does it contain? It includes basic engineering equations, physical constants, and unit conversions that would normally be in the cover of a textbook. No need to grab your distracting phone while doing homework on on the job site. How durable is this card? It's entirely stainless steel and laser etched black enamel, so it won't wear down. The 0.5 mm thick laser-cut stainless steel can be bent with enough force but can easily live in your wallet or notebook for many years. How durable is this card? It's entirely stainless steel and laser etched black enamel, so it won't wear down. The 0.5 mm thick laser-cut stainless steel can be bent with enough force but can easily live in your wallet or notebook for many years. What technical drawing tools does this card offer? It includes a ruler, protractor, and angle drawing tools, making it handy for quick measurements and accurate sketches. What technical drawing tools does this card offer? It includes a ruler, protractor, and angle drawing tools, making it handy for quick measurements and accurate sketches. Who would benefit from receiving this stainless steel card as a gift? Professionals, students, and budding engineers in civil, chemical, electrical, mechanical, materials, nuclear, and aerospace will appreciate this unique and practical gift that remains relevant from homework to cutting-edge research. Who would benefit from receiving this stainless steel card as a gift? Professionals, students, and budding engineers in civil, chemical, electrical, mechanical, materials, nuclear, and aerospace will appreciate this unique and practical gift that remains relevant from homework to cutting-edge research.

## Features

- Credit Card-Sized Multitool for Engineers: This stainless-steel laser-cut pocket tool includes a straight-edge ruler, protractor, and a compass. From lab work to DIY projects, it’s the ultimate at-work companion. Metric or inches? No problem. Draft blueprints, calculate angles, and create precise drawings. Perfect for students, professors, engineers, and mechanics. Surprise your boyfriend, dad, or gadget-loving friends with a unique gift. An ideal stocking stuffer graduation gift.
- Packed With Engineering Reference Info: Never look up a basic engineering equation, physical constant or unit conversion again. It’s not just a ruler; it’s your quick-reference while in the field or on the job. Architects, carpenters, and electricians—slip it into your pocket to save time looking up conversions! It’s the ultimate tool for measuring, drafting, and fixing anything. A helpful, handy gadget for the cool dads, boyfriends, women engineers, or hobbyist husband who loves to tinker!
- For Precision Technical Drawings: Always be ready to take a quick measurement or sketch a new design accurately with the ruler, protractor and compass drawing tools. From construction sites to woodworking benches, this stainless-steel multitool is your centimeter, millimeter, mils and inches ruler with angular precision of 5 degrees. A must-have for engineering, architects, machinists, draftsmen, field engineers and practical nerds! Be quick to measure, cut, and work with precision.
- Never Outgrow It: Reference info stays useful for a long career, Give a professional, student or budding young engineer a unique, thoughtful and practical gift for homework to cutting-edge research. Ideal for tech-savvy students, teachers, and DIY enthusiasts. The perfect desk accessory and EDC gift for civil, mechanical, and electrical engineers. In the lab or the job site, surprise your boyfriend, dad, mom, lab mate or favorite engineer with something they will keep for years.
- Lasts for a Lifetime: The laser-etched solid stainless steel ruler, laser-cut protractor, and the laser-engraved reference info lasts forever. Whether you’re converting inches to millimeters, PSI to Torr, or measuring angles, it's an every-day carry pocket companion for a lifetime. Essential for ingenieros and ingenieras with both English and Metric system conversions! Surprise your engineering employees, manufacturing team, or quality control staff with an awesome corporate gift!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B08M5SNYKZ |
| Best Sellers Rank | #15,541 in Office Products ( See Top 100 in Office Products ) #34 in Drafting Tools & Drafting Kits |
| Brand | Genius Lab Gear |
| Brand Name | Genius Lab Gear |
| Color | Black |
| Customer Reviews | 4.7 out of 5 stars 660 Reviews |
| Global Trade Identification Number | 00860004040330 |
| Graduation Range | 1/16 Inches |
| Item Dimensions L x W | 3.31"L x 2.09"W |
| Manufacturer | Genius Lab Gear |
| Material | Stainless Steel |
| Material Type | Stainless Steel |
| Model | TPE001 |
| Part Number | TPE001 |
| Product Dimensions | 3.31"L x 2.09"W |
| Style | functional |
| Style Name | functional |
| UPC | 860004040330 |

## Product Details

- **Brand:** Genius Lab Gear
- **Color:** Black
- **Graduation Range:** 1/16 Inches
- **Material:** Stainless Steel
- **Style:** functional

## Images

![The Authentic Pocket Engineer - Small Metal Engineering Ruler Protractor Compass Scale, Techie Graduation Gadget Multitool, Mechanical/Civil Engineers Gift, Metric Mini 3 Inch Tool- Genius Lab Gear - Image 1](https://m.media-amazon.com/images/I/61yczeuKpFL.jpg)
![The Authentic Pocket Engineer - Small Metal Engineering Ruler Protractor Compass Scale, Techie Graduation Gadget Multitool, Mechanical/Civil Engineers Gift, Metric Mini 3 Inch Tool- Genius Lab Gear - Image 2](https://m.media-amazon.com/images/I/7175FTm8sBL.jpg)
![The Authentic Pocket Engineer - Small Metal Engineering Ruler Protractor Compass Scale, Techie Graduation Gadget Multitool, Mechanical/Civil Engineers Gift, Metric Mini 3 Inch Tool- Genius Lab Gear - Image 3](https://m.media-amazon.com/images/I/71wAhNPzvsL.jpg)
![The Authentic Pocket Engineer - Small Metal Engineering Ruler Protractor Compass Scale, Techie Graduation Gadget Multitool, Mechanical/Civil Engineers Gift, Metric Mini 3 Inch Tool- Genius Lab Gear - Image 4](https://m.media-amazon.com/images/I/61vTwTFiNoL.jpg)
![The Authentic Pocket Engineer - Small Metal Engineering Ruler Protractor Compass Scale, Techie Graduation Gadget Multitool, Mechanical/Civil Engineers Gift, Metric Mini 3 Inch Tool- Genius Lab Gear - Image 5](https://m.media-amazon.com/images/I/912s99oAXiL.jpg)

## Questions & Answers

**Q: What is the purpose of this stainless steel card?**
A: It serves as a practical tool for engineers and makers as an everyday carry gift, fitting in your wallet or money clip alongside credit cards or IDs.

**Q: What reference information does it contain?**
A: It includes basic engineering equations, physical constants, and unit conversions that would normally be in the cover of a textbook. No need to grab your distracting phone while doing homework on on the job site.

**Q: How durable is this card?**
A: It's entirely stainless steel and laser etched black enamel, so it won't wear down. The 0.5 mm thick laser-cut stainless steel can be bent with enough force but can easily live in your wallet or notebook for many years.

**Q: What technical drawing tools does this card offer?**
A: It includes a ruler, protractor, and angle drawing tools, making it handy for quick measurements and accurate sketches.

**Q: Who would benefit from receiving this stainless steel card as a gift?**
A: Professionals, students, and budding engineers in civil, chemical, electrical, mechanical, materials, nuclear, and aerospace will appreciate this unique and practical gift that remains relevant from homework to cutting-edge research.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by R***T on December 29, 2025*



### ⭐⭐⭐⭐⭐ Review
*by T***T on June 12, 2024*



### ⭐⭐⭐⭐⭐ Review
*by K***. on February 28, 2026*



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*Product available on Desertcart Austria*
*Store origin: AT*
*Last updated: 2026-05-04*