SoundLogic XT 6-in-1 Multi-function Ballpoint Pen, Stylus, Screwdriver, Ruler, Black The SoundLogic XT multi-function pen combo includes a black ink ballpoint pen, a flathead screwdriver, a Phillips screwdriver, a level, stylus head and a 4" ruler! Metal pocket clip to hang on any shirt or pant pocket. Convenient travel size fits in any shirt pocket, travel bag, purse, or work suitcase. Universal capacitive touchscreen stylus works with all of the latest and greatest gadgets including any iPhone, iPad, Samsung Galaxy, HTC One, Nexus Phones, Nexus Tablets, and many more! Universal standard flathead screwdriver and phillips screwdriver attachments switch with ease to fix any problem that may happen down the road. Take your drawings to the next level of precision with the built-in 4 inch ruler and level. The ruler works under three different levels of precision, at 1:300m, 1:200m, and 1:100m scale.