Multifunction Defender Press-Tip Pen features a cap that breaks glass up to 8mm thick and comes with the essential Phillips and flathead screwdriver for quick repairs. The press-tip writing mechanism offers a distinctive click to open and close and can write upside down and in extreme weather conditions, including cold and wet. Heavy-duty metal barrel is made of durable, aircraft-grade aluminum. The pen includes one ink refill and a handy pocket clip.