• Cartridge needles made of 316L medical stainless steel and high-quality PVC. • Membrane design prevents the backflow of ink or blood into the machine. • Includes a stabilizer that prevents the needle tip from wobbling for greater precision. • Disposable needles individually packaged with double sealing to ensure hygiene. • High compatibility with standard rotary tattoo machines, cartridge grips, and wireless pens. • Easy visual identification through tail covers of different colors according to the needle type.