Magnum & Curved Magnum CartridgesHigh quality plastic cartridges provide enhanced shading, blending, and coloring for larger areas of tattoos Razor sharp stainless steel needles allow for optimal precision Consistent needle groupings provide improved reliability and accuracy Membrane system helps to prevent back flow and reduce the risk of contamination Sterilized and individually wrapped in blister packs for optimal safety Casings feature imprinted sizes for easy identification for