Get this Xometry Pocket Engineer Card for free that will be mailed right through your door! To request this free engineer card all you have to do is, click the 'Get Sample' and complete the form. Please note that you will be needing a company name to request this. 

The Xometry Pocket Engineer Card is packed with features in laser-cut stainless steel the size of your credit card. It contains 26 unit conversions, 7 equations, and 10 physical constants to save you time looking up references. It also doubles as a ruler, arc drawing, and angle measurement tool and has a photogrammetric ruler to calibrate length and tilt in images when used as a scale in field or lab work. It also offers pipe inner diameter measurement from 0.25"-1.25" and a machinist scale with 10-mil resolution.