🚀 Write Beyond Limits with the Fisher Space Pen! Hand-tested for reliability with a lifetime guarantee. Writes in extreme conditions, from -30F to +250F. Matte black finish with a sophisticated pocket clip. Pressurized ink cartridges for smooth, consistent writing. Constructed from brass and steel for ultimate toughness. Zero gravity performance Extreme temp resilience 3x longer writing The Fisher Space Pen M4B is a military-grade writing instrument designed for extreme conditions. With its sleek matte black finish and durable construction, it features pressurized ink cartridges that write three times longer than standard ballpoint pens. This pen is precision-engineered to perform in temperatures ranging from -30F to +250F, underwater, and even in zero gravity, making it the perfect companion for adventurers and professionals alike.