It may not be as versatile as the Piranha Multitool, but the Scewpop does have one advantage, size.  This handy 4-in-1 keychain tool features a Philips and flat head screwdriver, 1/4″ hex nut driver and a bottle opener.  Here’s how it works: the screwdriver bit is double ended, while the bottle opener doubles as a hex wrench.  Best of all it’s just $4.95 (before S&H) and fits seamlessly onto your key chain ring.

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