The Pocket Engineer - Wallet Ruler and Conversion Reference
$15.99
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The Pocket Engineer - Wallet Ruler and Conversion Reference
$15.99
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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 looking up references in mechanical, civil, electrical, industrial, nuclear, and materials engineering.
- Doubles as a wallet ruler, protractor, and compass for drawing arcs and circles.
- Photogrammetric ruler to calibrate length and tilt in images when used as a scale in field or lab work.
- Pipe inner diameter measurement from 0.25"-1.25" and machinist scale with 10-mil resolution.
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Here's how to use me!