•The qualities of steel with the indestructibility of tungsten
Tungsten steel hardness at over HR90 leaves a clear scratch on glass, shatters the tempered glass used in car windows,successfully providing emergency egress from the car.
•Well formed exterior
Aerospace Aluminum Alloy 6061-T6 with militarygrade III hardness from its anodic oxidation production. The product has higher strength and better corrosion resistance;
•Inner wisdom at the core
The U.S. space shuttle quality core withstands temperatures ranging from 30℃ to 121℃, lets you write at any angle (even without gravity), stores a lot of ink, and writing kept at 30℃ can be stored for 100 years.
Body Material: 6060-T6 Aerospace Grade Aluminum
Body Finish: Mil-SpecType III hard anodized
Strike Tip Material: Tungsten Steel
Cartridge: Fisher Space Pen SPR4(Black)