Knuckle Duster

Material: zinc alloy (the knife is ordinary 45# tool steel, with electroplating treatment on the surface)Size: 11.8cm in total length when opened (see detailed picture, the size is measured manually, if there is any deviation, please refer to the actual situation)Blade length: 3.6cm Whether it is sharpened: not sharpenedWeight: about 152 gramsPackaging: neutral transparent OPP bagColor: black, silver gray, brass, bronze silverFunction: suitable for martial arts fighting defense and life-saving, almost no special training is required to master it. Suitable for outdoor travel, self-driving travel equipment, emergency first aid in critical situations, it is a very practical product for home travelPrecautions: The knife is not sharpened and needs to be sharpened by yourself. The knife is very small and is only suitable for emergency use. The knife has no lock buckle, please use the knife alone after opening. You need to close the knife before you can grasp and use the fist buckle (to avoid cutting yourself)Remarks: The surface of the product is electroplated. The black one is spray-coated. There will inevitably be slight scratches and mold marks on the surface of metal products, as well as polishing marks. Please be careful if you mind! There will be contact marks on the inner edge of one of the finger holes during factory electroplating and black spray-coating. Please be aware!

USA letter knuckle duster outdoor self-defense