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Name: Chinese dragon iron finger Specifications: Height (Bottom of Boxing Arc) : 68mm Width (Palm) : 94mm (Finger Width) : 119mm Thickness (flat surface) : 9.5mm finger hole 27mm Weight: about 140g Material: zinc alloy surface plating (all black surface is plastic spray) Function: self-defense and life-saving, outdoor vehicle self-defense at home standby first aid defense, is a very good product (There are gold, silver, all black, bright black in stock. Note: the wide weight of the bright black is a little lighter, about 130 grams)