My neighbor plowed up a strip along the creek that has not been turned in 40+ years so I asked if f I could look for arrowheads. I thought it would just be full of artifacts but I only found these two pieces. The tool is a hammer, pedestal or something of the sort. It really polished off to nearly perfectly flat on one of the long sides and about half as polished on the opposite side. Not really sure what it is but definitely a tool.