I'm sure there has been a time when you needed a screw driver and you just couldn't find one. Or maybe you found one but it was the wrong kind. This cool hand grenade screwdriver set would come in handy and it includes a driver, small, medium, and large Phillips and flathead-style bits. The tips stay inside with the help of a magnet so no bits will be lost . Whether you actually want to use this or you think its cool like I do you can get it now over at Amazon.