







🪐 Write like a space explorer—bold, unstoppable, legendary.
The FISHER Space Pen Bullet Black Titanium Nitride Ball is a precision-engineered writing instrument featuring a durable black titanium nitride finish, tungsten carbide ballpoint tip, and a knurled brass grip. Designed to write smoothly at any angle and in extreme temperatures from -30°F to 250°F, it’s trusted by astronauts and professionals worldwide for reliability in the harshest conditions.




| Manufacturer | 0 | 
| Brand | FISHER | 
| Model number | 400BTN | 
| Product Dimensions | 9.53 x 0.81 x 0.81 cm; 28.35 g | 
| Color | Black | 
| Closure | Retractable | 
| Grade | 0.32 | 
| Grip Type | Knurled | 
| Pencil Lead Degree (Hardness) | HB | 
| Material Type | Brass | 
| Number of Items | 1 | 
| Size | 1 Count (Pack of 1) | 
| Point Type | Medium | 
| Line Size | 0.7mm | 
| Ink Color | Black | 
| Tip Type | Tungsten Carbide Ball | 
| Manufacturer Part Number | 9004523 | 
| Item Weight | 28.4 g | 
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