Hawink New Tattoo Cartridge Needle,Exquisite in every step of production,Make your tattoo work exceptionally smooth and joyful. Needles tip made of 316 medical grade stainless steel.Made of 304 stainless steel except for the needle tip,Medical grade plastic.100% EO Gas Sterilized and individually packaged. Cartridges come with membrane to prevent ink leakage to the tube or machine. Semi transparent & bevil tips make it easier to observe the needle striking.100% Safety. High quality silicone to keep the needle elastic.Cartridges body with pure white,Unexpected surprise. Compatible with All Rotaries/Coiled machine as well as Hawk machines and grips.Comes in Box of 50PCS.