The SureFire Pen III is made with an incredibly tough Mil-Spec hard-anodized body. The pocket clip, nose cone and retractor button are made of stainless steel with a finish that's as tough as it is attractive. Inside is an imported Schmidt easy flow 9000 ballpoint pen cartridge for smooth, reliable writing performance.
Specifications:

Type	Tactical Pen
Size	5.8"
Weight	1.7 oz
Range
Decibels	N/A
Repels	Attacker
Approved By
Strength	Maximun
Material	Aerospace Grade Aluminum
Other Ingredient
Color	Black
Volt	N/A
Active Ingredient	N/A