Inka Titanium Pen Keychain ingenious cap and you'll have

ingenious cap and you'll have light all night long

trekkers and military personnel

25" closed

Comes in a handy mesh/nylon zippered pouch

Stealth like a ninja

Inka Titanium Pen Keychain ingenious cap and you'll haveNite Ize has developed a new product category of writing instruments that are specifically designed for use in extreme environments. The Inka Pen is engineered to write in all conditions underwater, at any altitude, in temperature extremes and at any angle. Its innovative & patented, multi function design allows you to use it as a quick use pen or a full size fine writing instrument, and the stainless steel split ring allows you to attach it securely