Features: Stainless steel needle, high hardness, fast coloring and stable with less vibration. Shell uses translucent PVC material, wear resistant and easy to observe the inner needles. Disposable and sterile packaging, provide safe and hygienic work. There are different types are available for you to choose, meet your different needs. It works with almost all kinds of tattoo machines. Professional tattoo cartridge needle with low noise when tattooing, great for tattoo artists.