Given the functions of self-defense in life-threatening situation and daily writing, NTP21 is a multi-purposed tool which is able to pass the security screening. It is your writing partner and concealed guardian. Tungsten steel tip serves as a glass breaker to smash windows, effective in close quarter combat or used to mark on almost all kinds of materials. It is lightweight with only 25.6g (0.9oz).

The body is CNC machined from aluminum alloy with HA III military grade hard-anodized finish, featuring lightweight and excellent impact and corrosion resistance. The hardness of tungsten steel tapered tip is measured by the Rockwell scale (89-92.5HRA), which ranks only second to the hardness of diamond. The tapered tip can not only launch a powerful counter-strike to suppress assaulter effectively, but break the window glass to enable a possible means of escape in case of emergency.

The high-quality German Schneider refill guarantees the ability to write anytime anywhere, even underwater, in extreme hot or cold weather and in a shaking car or plane. The ergonomic design makes NTP21 exquisite and comfortable to hold. The anti-skid thread in the center increases the friction and avoid sliding. The rigid clip makes NTP21 easily clipped to your pocket, shirt or backpack and avoids loosening and loss of the pen.

For more information, please visit this link: NTP21