This multitool pen features in 5 in one function. Soft stylus rubber cap pen is used for touch screen use. Philiphs / Flat head screwdriver is inside the cap. Water bubble inside the pen can measure spirit level. Ruler are both in cm and inch. Write smoothly with ballpoint pen. Your logo can be imprinted by silkscreen or laser engraved. A pen in hand can help you a lot. Just try it!