- Made Of TC4 Titanium Alloy
- SiC Ceramic Ball Attack Point
- CNC Processing
- Handmade Polishing
- Keychain hole reserving, can be connected with a keychain ring
- Excellent Brass Knuckles Self Defense Real
- Diameter of the hole:24mm
- Size:55mm x 34.5mm x 10mm
- Weight:32.17g