Deadly North Cartridges - Liners (35RLMT)Every great tattoo starts with great lines. Here is a high quality, stable, membrane cartridge that will help get the job done right. Deadly Round Liner Tattoo Needle optimizes the flow of ink, providing cleaner, crisp lines and less trauma to the skin. These needles are a #12 (0. 35mm) diameter with a deadly taper (medium) Sold as a box of 20 needle cartridges. Special thank you to Mike Kenny for doing the custom lettering on the package!