Pen body material: 6061 aluminum alloy, attack head Material: 304 stainless steel, tungsten steel alloy,

knife Material: 5R13 alloy, blade length: 3CM, refill: high quality gold ballpoint pen core,

surface treatment: anode type â…˘ oxidation, including three Lr936 Model button batteries,

lighting parameters: Nichia light, 12 lumens brightness, 10 hours shine, features: writing, broken windows,

EDC defense, self-defense knife, LED lighting, survival whistle, easy to carry, can be a variety of security.