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Originally posted by solowookie:
ok guys... I had a nice sun shiny day, and the kids were playing outside so I started taking a few things off this old bolt.

well that didn't last too long cuz it is still pretty cold, and the kids got soaked. in the meantime I found these screws with a head that I don't have a tool for.

what kind of screw heads are these, and how common are the tools to remove them? (I bet ya they aren't going back in)