Nitecore NTP 20The NTP20 is a titanium tactical pen for extreme conditions, tactical defense or life threatening situations, which can be used as tool of self defense and emergency escape! Use it as a high performance writing pen or a tactical tool for emergencies. The NTP20 will allow you to take notes practically in any weather conditions with its magical ink while its Tungsten steel tip is solid enough to instantly become a great emergency tool in stressful