6″ Digital Caliper [measure fittings, o-rings and more]
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 calipers around my home brewery to… measure things. 🙂 Including… fitting sizes, o-ring sizes [See: Bulk Keg Orings and Keg Repair Part Numbers]
Update: Since this post was published the price, availability or promotion has changed. Check the product page for current description, price and availability. Also: Today’s Deals on Amazon
Also: Nut & Bolt Thread Checker (Inch & Metric) – affiliate link, note that multiple variations of this product may be available, as such a different version may appear at this link
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