Here is a handy pen that serves as 9 tools to get you unstuck. Pen Ninja is not only a pen and stylus but also works as as flashlight, screwdriver, level, bottle opener, and ruler. It is made from hardened stainless steel.
Pen Ninja works as a cm and inch ruler. It is also a Phillips & Flathead screwdriver. You can get it for under $15 at this time.[where to get it]
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