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Genius Lab Gear

4.5 (123)

The Pocket Engineer - Wallet Ruler and Conversion Reference

Name: Genius Lab Gear The Pocket Engineer - Wallet Ruler and Conversion Reference - The Pocket Engineer - Wallet Ruler and Conversion Reference
Brand: Genius Lab Gear
SKU: 32183048306782
Price: 12.95 USD
Availability: InStock
Rating: 4.8378 (30 reviews)

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$12.95

Quantity

Color

Black

Quantity

Description

Always be ready to measure, calculate and fix anything with The Pocket Engineer.

Packed with features in laser-cut stainless steel the size of your credit card:

26 unit conversions, 7 equations, and 10 physical constants to save you time...

Reviews

4.8

37 ratings

love it!

used it during a recent final exam and it helped a bunch! design and construction is excellent and my fav feature so far is the quick reference prefix sci conversions

Robert · May 7, 2026

My son loves the ruler but the tax is a killer buying from EU.

Kevin · June 26, 2026

Solid

Great quality and a really cool idea; information could be a bit more organized though, especially on the back.

Anonymous · February 24, 2026

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Genius Lab Gear

4.8 (334)

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Description

Always be ready to measure, calculate and fix anything with The Pocket Engineer.

Packed with features in laser-cut stainless steel the size of your credit card:

26 unit conversions, 7 equations, and 10 physical constants to save you time...

Reviews

4.8

37 ratings

love it!

used it during a recent final exam and it helped a bunch! design and construction is excellent and my fav feature so far is the quick reference prefix sci conversions

Robert · May 7, 2026