Monteverde Quadro 4 in 1 Brass Multi-Function Pen. With the Quadro 4 in 1 multi-function pen, you can effortlessly access three different colored ballpoint refills and a precision 0.5mm mechanical pencil. This multi-purpose device is stylish yet durable tool featuring a knurled comfort grip and spring clip designed to hold tight. This excellent instrument is useful for writing, drawing and more. Make your everyday life easy with this convenient and intuitive implement.