- Made of TC 21 Titanium, usually used to manufacture submarines and space ship
- 13mm thickness, can provide enough support for your palm
- Titanium alloy with blued finish, No Color Going Forever
- Surface engraved with exquisite patterns
- Best Self Defense Knuckle Duster
- Size: 105mm x 66mm x 13mm
- The Size Of Hole is 22mm x 27mm, big enough for fat fingers
- Thickness: 13mm
- Weight: 208g
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