SPACE TEC RETRACTABLE PEN

Space Tec Retractable Pen with Black Ink, Medium Point and Black Rubber Coated.

• Cartridge is sealed & pressurized at nealy 35 pounds per square inch
• Tungsten carbide ball
• Writes from -30 to +250 degrees F
• On wet surfaces
• On photographs
• Write through grease
• Underwater
• At any angle
• Upside down