---
product_id: 572539431
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: "¥8744"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/572539431-the-authentic-pocket-engineer-small-metal-engineering-ruler-protractor-compass
store_origin: JP
region: Japan
---

# 3-inch precision ruler Integrated protractor & angle tool 0.5mm laser-cut stainless steel 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:** ¥8744
**Availability:** ✅ In Stock

## Summary

> 🛠️ Engineer your edge—carry genius in your wallet!

## 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?** ¥8744 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/572539431-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

- • **Lifetime Durability:** Crafted from enamel-coated stainless steel to withstand years of fieldwork and lab abuse.
- • **Ready for Any Sketch:** Built-in ruler, protractor, and compass scale empower quick, accurate technical drawings anywhere.
- • **Pocket-Sized Precision:** Fits perfectly in your wallet or money clip for stealthy, on-the-go engineering.
- • **The Ultimate Engineer’s Gift:** A sleek, practical multitool that elevates your professional image and sparks envy among peers.
- • **All-in-One Engineering Reference:** Instant access to essential equations, constants, and unit conversions—ditch the lookup apps.

## Overview

The Authentic Pocket Engineer is a compact, credit card-sized multitool crafted from durable stainless steel, combining a 3-inch ruler, protractor, and engineering reference guide. Designed for professionals and students alike, it offers quick measurement and technical drawing capabilities with lifetime durability, making it the perfect everyday carry for engineers on the move.

## Description

Every Day Carry (EDC) gear for passionate engineers.Tech enthusiasts, engineers, mechanics and makers around the world finally have a pocket tool for solving their every-day technical problems.What sets The Pocket Engineer apart? - The silky smooth matte black enamel finish gently fillets the laser-cut edges which makes it a pleasure to handle in the field, ensuring it won’t carve into your pencil lead. - The surprisingly massive stainless-steel feel helps secure it in windy conditions unlike a plastic card or ruler. - Laser-engraved markings and text are guaranteed to not rub off like other ink printed rulers.What features did you pack into this little pocket tool?1) Solid metal 3 inch design that fits in your wallet and is TSA compliant when traveling for field work.2) Photogrammetric ruler for calibrating scale and tilt in field or lab images.3) 10 physical constants and 7 fundamental equations from physics and engineering.4) Temperature, pressure, mass, length and power conversions plus trigonometry quick reference.5) Imperial and metric straight-edge to 85 mm and 2" ruler with 10-mil resolution. 6) Angle measurement and drawing tool with 5 degree resolution.7) Fractional inch to decimal inch quick reference to 1/16th inch resolution 8) Pipe/tube inner diameter measurement using corner to 1.25 inch maximum.9) Arc and circle drawing protractor tools with 1/8th inch or 5 mm resolution.10) 42 digits of pi. Because we could.11) QR code links to monthly bonus content and discounts on a hidden GLG page.Who needs this?This is a perfectly thoughtful and unique gift for students, professionals or teachers in any engineering or mechanical field!Not sure if you’ll like it?You can return it within 30 days for a full refund if you don't love it! Seriously. Get it!

## Features

- FITS WITH YOUR CREDIT CARDS: Sized exactly to a standard credit card or ID for stealthy every day carry in your wallet or money clip. Perfect for field work or lab work.
- PACKED WITH REFERENCE INFO: Never look up a basic engineering equation, physical constant or unit conversion again.
- EQUIPPED FOR TECHNICAL DRAWINGS: Always be ready to take a quick measurement or sketch a new design accurately with the ruler, protractor and angle drawing tools.
- NEVER OBSOLETE: Give a professional, student or budding young engineer a unique, thoughtful and practical gift that will stay with them for many years from homework to cutting-edge research.
- LASTS A LIFETIME: 0.5 mm thick laser-cut enamel-coated stainless steel built for a lifetime of use and abuse. Brand new, so check the quality of reviews on our similar Pocket products!

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Material | Metal, Stainless Steel |
| Brand | Genius Lab Gear |
| Colour | Black |
| Style | Compact |
| Product Dimensions | 8.4L x 5.3W Centimeters |
| UPC | 860004040330 |
| Global Trade Identification Number | 00860004040330 |
| Manufacturer | Genius Lab Gear |
| Country of Origin | USA |
| Model number | TPE001 |
| Number of Memory Sticks | 1 |
| Item Weight | 18 g |
| Item model number | TPE001 |
| Are batteries included? | No |

## Product Details

- **Material:** Metal, Stainless Steel
- **Brand:** Genius Lab Gear
- **Colour:** Black
- **Style:** Compact
- **Product Dimensions:** 8.4L x 5.3W Centimeters

## 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.

## Frequently Bought Together

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-21*