The tool is designed for scraping paint, like on the side of a house, etc. It is supposed to be a multi-tool.The hex is for a screw driver bit. It comes with a double ended straight/phillips. It can also be used as a narrow scraper.

Just a gimmick in my opinion. I was a sucker, and got one. The bit was always falling out. If you use the butt to set a protruding nail, you mess up the flip out thing.