• Made of full carbon fiber, stronger and stiffer than steel
  
• Carbon Fiber can provide extreme durability without adding weight
• CNC processing with Computer Carving Machine, all edges are treated very carefully
  
• Anti corrosion, non-toxic and odorless
• 12mm Thickness, very comfortable when gripping
  
• Can pass security check, this is made of non-metal material
• Great Self Defense Knuckles
• Size:120mm x 72mm x 12mm