1. Material: tungsten steel 2. Power supply: button battery (included) 3. Corrosion-resistant, not easy to rust 4. The writing part is opened in the middle of the pen barrel, and the refill can be replaced and used repeatedly 5. The tungsten steel tip is very sharp and is a sharp tool for cutting metal 6. In traffic distress, you can easily escape by breaking the window 7. LED light source with strobe 8. A variety of grips, in the face of crisis, brave attack 9. Dimensions: 162x13mm 10. Weight: 40 grams
