This 6-in-1 Touch Tool Pen can be used as a level, a ruler, a screwdriver, a capacitive stylus and a ballpoint pen. With the stylus, you can doodle on your tablet without it feeling like you're finger-painting. The screwdriver attachment is stowed away safely under the stylus when not in use, and the stylus itself can be attached to either end of the pen so it doesn't get lost if you're driving screws. A ruler is one of those things that's rarely around when you need it. And with the level, at least you'll know where things sit or stand in relation to the ground!