... used for Tattoo Grips and Tattoo Needles. Name:Tattoo Tips Stainless steel Type:3RT,5RT,7RT,9RT,11RT,13RT,15RT,18RT 5FT,7FT ... ,9FT,11FT,13FT,15FT 3DT,5DT,8DT,11DT,14DTMaterial: 316L stainless steelDiameter:8mmLength:48mmWeight:6.2gOther:The professional design from ourself ... quality polish to ensure be easier cleaned. Professional Tattoo Tips Stainless steel