CNC Machining, Bicycle Parts, Motorcycle Part manufacturer / supplier in China, offering Custom Self Defense Tool Carbon Fiber Stainless Steel Brass Finger Ring Punch Duster Knuckle, Custom One Two Four Finger Ring EDC Self Defense Tool Stainless Steel Brass Punch Knuckle Duster, Carbon Fiber Stainless Steel Brass Aluminum Self Defense Tool 1 2 4 Finger Ring Punch Knuckle Duster and so on.