The cool new ScrewPop is a handy 4-in-1 multi-tool that's small enough to fit on your keychain. You never know when you'll need a Phillips or flathead screwdriver, a 1/4" hex. nut driver or a bottle opener, but now you'll always have one on you. Now, just don't go and lose your keys.
ScrewPop - 4-in-1 Keychain Multi-Tool