Features

•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.