Necklace Pendant Knuckle Duster Self Defense EDC Folding Knuckle 8cm Hardness: 55HRC Weight: about

8cm Hardness: 55HRC Weight: about 203G (including packaging) Blade material: 3cr13Mov stainless steel Handle material: Stainless steel Blade surface technology: stone washing

Flint: Used to ignite fire

"Double tube burst design" high frequency penetration

Net weight: about 12

Size: 165mm x 35mm x 28mm

Necklace Pendant Knuckle Duster Self Defense EDC Folding Knuckle 8cm Hardness: 55HRC Weight: aboutMaterial: zinc alloy Size: 7. 5mm * 6mm * 10mm Weight: about 70g Craft: Aviation spray painted surface Small and portable, can be used as an ornament to hang on a backpack, and can be used for self defense when breaking the window in an emergency.