Mast Tattoo Ink is a pre-dispersed, premium ink created to provide artists with bolder, long-lasting colors. This ink goes easily into the skin, stands out boldly and maintains its darkness even after healing. TRIPPLE BLACK(ULTIMATE BLACK). Used for: lining, shading, tribal and cover up work Mast TRIPPLE BLACK ink, pure black strong covering ability, moderate particles provide super stability, long-lasting color, and a wide range of applications.