Fisher Space Bullet Space Pen, Black Titanium Nitride (400BTN)

Writes at any angle, even in Zero Gravity. Simply the most versatile pen ever made. Writes in extreme temperatures from -30F to 250F Each Fisher Space Pen is precision assembled, hand tested, and carries an unconditional lifetime guarantee. All Brass and steel construction

Black Titanium Nitride Bullet Pen 400BTN: This pen is all brass with a black titanium nitride finish. Thixotropic ink in a hermetically sealed, pressurized reservoir writes three times longer than an ordinary ballpoint pen Pressurized Ink Cartridge Performs in temperatures from -30°F to +250°F, underwater, in zero gravity, at any angle–even upside down! Ultra-hard tungsten carbide ball Ink Color(s): Black Barrel Color(s): Black Titanium Nitride Tip Size: 1.1mm Point Size: Medium Point