- Ultra-light, Ultra-Hard, full weight is only 20g, made of G10 material.
- Non-metal material, can pass security check machine easily.
- Creative ergonomic design, very comfortable for use.
- Precise CNC processing, all the edges were polished carefully, very smooth. It won't hurt your finger
- Reserve keychain hole, convenient for daily carrying.
- This Self Defense Knuckles are embedded with 3 tungsten attack head, can be also used as a glass breaker when emergency
- This is the Best Running Self Defense Products
- Give away extra Ball Chain