SH4272  I should clarify that this is most likely NOT a tool to fix No Nonsense pen, but a tool made to fit into a NoNonsense pen to be used in the factory. Just as pens are great tools for writing, a pen barrel and cap make a perfect vehicle for a tool, easy to keep in a worker’s pocket and lots of space in the barrel for the tool. This black No Nonsense has a steel stylus on the nib end and when you unscrew the barrel, a round diamond shaped steel file is inside. The barrel has some light surface wear.