Solid Steel Window Breaker Knuckle Duster Portable Pocket Self Defense Tool

Size: 56mm * 46 (widest)/30mm * 12mm
Material: Steel
Process: silver-plated titanium on the surface
Weight: about 103g

Made of solid steel one-piece molding, mini portable, with a waterproof case and lanyard, can be used as a decoration to hang pockets and backpacks. It's a good defense tool.