Features: 1. The cap is made of tungsten steel, and the body of the pen is made of aviation-grade aluminum, which is wear-resistant, not easy to rust, and is durable. 2. Wide range of uses: excellent strength and portability. Suitable for daily use or emergency Break the window to escape. 3. The grip is designed with a diamond-shaped thread, which increases the friction, makes the grip more firm, not easy to release, and improves the safety factor. 4. Rotatable and retractable refill, easy to operate and practical. 5. Practical: suitable for daily use, travel or outdoor activities. The exquisitely crafted pen is an excellent holiday gift for relatives and friends. Notice: 1.Actual color may be slightly different from the image due to different monitor and light effect 2.Please allow 1-3cm deviation due to manual measurement Description: Material: Aviation aluminum, tungsten steel Size: 15*1.5cm Package List: 1 x Pen