Write with ease on the jobsite using this Milwaukee INKZALL 2-In-1 Stylus and Black Marker (48-22-3101). It has a stylus tip so you can use it on iPads, iPhones and all touch phones. It's also easy to handle, even while wearing gloves. The clog-resistant marker tip writes on dusty, wet and oily surfaces and is optimized for rough surfaces such as OSB, cinderblock and concrete. It also has a hard hat clip for easy access and handy storage.