[Bloody Sam Roberts]

I retract my earlier answer to your query. I hadn't looked at your gallery and was under the false impression that the head was round, not square.
A good bluff though, huh?

[tacticalogic]

I hadn't looked at your gallery and was under the false impression that the head was round, not square.

I almost made that mistake. Before I figured out it wasn't round, I was ready to guess it was a bunghole reamer (no, not THAT kind of bunghole - the ones in wooden barrels).