Want the coolness?   But need some color?   Lime Green!
 
Writes in extreme temperatures, underwater, in zero gravity, and at any angle
When open the Bullet measures 13.5cm with a closed length of 9.4cm
Contains PR4 black ink, medium point
Stainless steel, precision machined socket prevents leaks and oozing, yet delivers instant uniform ink flow
Thixotropic ink in a hermetically sealed and pressurised ink cartridge writes for three times longer