Fisher Space Pen Refill Ballpoint Medium Nib Black derent The Hi-Fi Headphones with Microphone

The Hi-Fi Headphones with Microphone is suitable for students

Easy-to-use

OEM: LX6-1590

SKU: PL00061

Fisher Space Pen Refill Ballpoint Medium Nib Black derent The Hi-Fi Headphones with MicrophoneDescriptionSpecificationsShipping Paul C. Fisher developed the pressurized refill for NASA in 1965. It's still in use today on manned space flights because it performs when other pens fail. The combination of tungsten carbide ball point and thixotropic ink in a hermetically sealed cartridge pressurized at nearly 35 pounds per square inch allows it to write in freezing cold, boiling heat, under water and at any angle even upside down! Pressurized Space