Commonly used exactly the same as single stack magnum needles except the outer needles are shorter than the needles in the middle of the configuration. The grouping is the same as single stack magnum needles. The purpose and benefit of a round curved single stack magnum tattoo needle is to achieve softer edges for filling and shading. Our pre-made round curved single stack magnum tattoo needles are made using 316L stainless steel, on the bar, pre-sterilized with EO Gas, individually blister-packaged and ready to use. Each tattoo needles is stamped with sterilization expiration date. We offer the following sizes: 5RM, 7RM, 9RM, 11RM, 13RM, 15RM, 17RM, 23RM, 25RM, 29RM, 35RM and 39RM.