Xtreme 6-in-1 Stylus: Touchscreen Stylus, 4" Ruler, Level, Ballpoint Pen, Flathead and Phillips Screwdriver Ballpoint pen ink cartridge can be refilled easily (Black ink included) Constructed with heavy durable silicone touchscreen sensitive tip Functions as Touchscreen Stylus, Ballpoint Pen, 4" Ruler, Level, Screwdriver, and Flathead Screwdriver Tip. Six in one uses! Can be used with any touchscreen device such as tablets, phones, GPS... This stylus pen glides effortlessly on the screen (No more smudges)