6″ Digital Caliper. Reads in inches and mm (one button press changes). Hardened stainless steel shaft. Resolution: 0.01mm/0.0005 inch, Accuracy: 0.02mm/0.0001 inch. Large LCD display. Take measurements from 0 to 6 inches.
I use a caliper around my home brewery to… measure things. 🙂 Including… fitting sizes, o-ring sizes [See: Bulk Keg Orings and Keg Repair Part Numbers] and to aid with designing 3d prints [3D printing tag]]
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