Fisher Space Pen Zero Gravity Pen is 13.5 cm (5 1/4 inch) long when closed. Matte black rubberized triangular body with pocket clip.
Fisher Space Pen Zero Gravity Pen has the pressurised ink you know from their Bullet Pens and AG7. It enables writing upside down, in every angle, underwater, on top of grease and in extreme temperatures.
This pen has a PR4 pressurised black medium ink cartridge.