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.

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.

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.

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

Account Cart

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

Account Cart

The Pocket Engineer - Wallet Engineering Ruler Scale and Unit Conversion Reference 3 inch

The Pocket Engineer - Wallet Engineering Ruler Scale and Unit Conversion Reference 3 inch

Product ID: 464877332

Details

Brand
Genius Lab
Colour
Black
Graduation range
1/16 Inches
Material
Stainless
Style
functional

📏3-inch stainless steel ruler

📐Protractor & angle drawing tools

⚙️10 physical constants & 7 equations

Buy anything from 5,000+ international stores. One checkout price. No surprise fees. Join 2M+ shoppers on Desertcart.

Bs.696

Duties & taxes included

In stock

Sold byAmazon BoliviaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Bolivia.

Secure transaction

Description

📐 Engineer your edge—carry genius in your pocket!

EXCLUSIVE BONUS CONTENT - QR code unlocks monthly engineering hacks and discounts—join the insider community of makers.
BUILT TO LAST A LIFETIME - 0.5 mm laser-cut stainless steel with enamel coating resists wear, rust, and rough field use.
FITS RIGHT IN YOUR WALLET - Sleek credit card size for stealthy, everyday carry—always ready when inspiration strikes.
INSTANT ENGINEERING REFERENCE - Packed with essential constants, unit conversions, and formulas—ditch your phone lookup forever.
PRECISION MEASUREMENT ANYWHERE - Metric & imperial scales, angle tools, and pipe diameter gauges for flawless on-the-go sketches.

The Pocket Engineer is a TSA-compliant, credit card-sized 3-inch stainless steel ruler designed for engineers and makers. It features laser-engraved scales, a protractor, angle drawing tools, and quick references to 10 physical constants and 7 fundamental equations. Built with durable enamel-coated steel, it fits perfectly in wallets or money clips, making it an essential everyday carry tool for precise measurements and instant technical reference in the field or lab.

Specifications

ASIN	B08M5SNYKZ
Best Sellers Rank	131,108 in Stationery & Office Supplies ( See Top 100 in Stationery & Office Supplies ) 786 in Rulers (Stationery & Office Supplies)
Brand	Genius Lab Gear
Colour	Black
Customer Reviews	4.7 out of 5 stars 641 Reviews
Global Trade Identification Number	00860004040330
Graduation Range	1/16 Inches
Graduation range	1/16 Inches
Item Dimensions L x W	8.4L x 5.3W centimetres
Item Weight	0.5 Ounces
Manufacturer	Genius Lab Gear
Manufacturer Part Number	TPE001
Material	Stainless Steel
Model Number	TPE001
Product dimensions	8.4L x 5.3W centimetres
Style	functional
Style Name	functional
UPC	860004040330

Reviews

B**R

A good buy

Bought as an extra gift for my dad's birthday. He absolutely loved it! Far more than I expected. It's sturdy and well made and fits into a credit card slot, so is readily available. Don't underestimate it for the man who likes to be prepared!

8.04.2026

A**I

Nice little tool

Nice and compact. Bought 2 one for me and one for my engineering student child!!

21.10.2024

D**O

Práctica para EDC

Muy práctica para llevar en la cartera.

6.08.2025

P**Y

Quality

Very inferior quality product

8.11.2025

C**E

Great gift for young engineers

Bought this as a little grad gift for a young Engineer graduate. He loved it and said he’s seen others with paper versions and liked the durability of this one

20.09.2025

R**T

10/10 would recommend for simple things.

Convenient for simple things. Good quality and functionality. The wallet size makes it easy to carry everywhere. Print is legible and it has a nice look and finish. The scale is easy to use.

29.12.2025

E**E

Highly recommend

Perfect size and very sturdy. Will be used daily for work

26.12.2025

Common Questions

Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

What is Desertcart? Is it safe to order from?+

Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

How is product pricing calculated?+

Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Imran F.

Very reliable shop with genuine products. Will definitely buy again!

2 weeks ago

Zainab N.

Fantastic and great service. Shipping was faster than expected.

1 week ago

View all Trustpilot reviews

Shop Global, Save with Desertcart

Value for Money

Competitive prices on a vast range of products

Shop Globally

Serving millions of shoppers across more than 100 countries

Enhanced Protection

Trusted payment options loved by worldwide shoppers

Customer Assurance

Trusted payment options loved by worldwide shoppers.

Desertcart App

Shop on the go, anytime, anywhere.

Buy anything from 5,000+ international stores. One checkout price. No surprise fees. Join 2M+ shoppers on Desertcart.

Bs.696

Duties & taxes included

In stock

Sold byAmazon BoliviaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Bolivia.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Suresh K.

Very impressed with the quality and fast delivery. Will shop here again.

4 days ago

Ayesha M.

The product exactly matches the description. Very satisfied with my purchase.

5 days ago

View all Trustpilot reviews