Pocket Wrench
We have seen micro wrenches before but this Pocket Wrench design that comes in at the size of a key may be the smallest. It comes in SAE and Metric, and also works as a ruler, socket driver, screwdriver and, yes, bottle opener.
Crowdfunded projects pose a degree of risk for buyers, so be sure to do your research and fully read the seller's detailed description and production plans before plunking down your hard-earned money.
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