4 in 1 Fire Starter-EDC Tool. The perfect addition to any EDC, Car Kit or Hiking bag. Constructed using Quality aluminum for durability. Includes a Removable Pocket Clip for easy carry in your pocket or bag. Carry in Plain Site: Looks like a Pen. The tool has a Sharp Tungsten Tip which can be used as a Glass Breaker OR use as an Impact Weapon for Self Defence use. The back of the tool has an emergency signal whistle with no "pea" to allow the whistle to be used wet and dry. The ends of the tool unscrew to access a magnesium fire starter rod on the one end and a combo blade on the other. The blade has a 27mm straight edge on one side and a 25mm serrated edge on the other. The Magnesium rod measures 27mm with a 6mm diameter. The tools are screwed closed with a O-Ring seal to assist with rust prevention of the blade and the fire starter. 3 Easy Steps to Start a Fire: Prepare a dried leaf/grass and kindling Scratch off some magnesium powder Scrape the rod to generate sparks As with all tools that your life may depend on: Know how to use it BEFORE you need it.