This pen is made of aviation aluminum with high quality. It's suitable for self-defense, handwriting signature, gifts, escape off the car.

Features:
5.6 inches overall length, weighs 1.41 ounces.
Made of aviation aluminum, high quality.
The design is simple but fashionable, comfortable for use.
Not only is a writing pen, but also a good tool for self-defense. 
Multi-functions: suitable for self-defense, handwriting signature, gifts, escape off the car.

Notice:
The refill will appear when rotating the pen clockwise, then you can write with this pen.

Specifications:
Color: Gray
Material: Aviation Aluminum
Length: 142mm / 5.6in
Diameter: 14mm / 0.55in 
Weight: 40g / 1.41oz

Package List:
1 * Self Defense Pen