tiger finger metal brass knuckle duster four fingerg martial arts fighting iron fist ring hands clasp hand support bodybuilding

material: zinc alloy size: bottom length 83mm finger length 108mm height: 50mm thickness: 8.5mm finger hole diameter: 21.5mm (see the details. the size is measured by hand. if there is any deviation, please refer to the actual situation.) weight: about 109g function: suitable for wushu self-defense and lifesaving, almost no special training can be mastered oh.it is suitable for carrying with you outdoors for self-defense and ready for emergency emergency in the car. it is small and suitable for