Tactical Defender Pens are just like any Zero Resistance blade on the market, is constructed like a storage tank and also includes a machined titanium building and construction with an integrated glass breaker idea for both damaging glass throughout life saving rescue efforts as well as for self defense maneuvers should it be your only weapon available. As dependable as titanium is for any type of tactical device, where the tactical pens truly shines is its capability to write- whenever and any...