Proline Tattoo cartridges offer a wide variety of gauges, ranging from 020 mm to 035 mm and from 1RL to 18RL. We have developed 22 configurations of the Proline Tattoo model to cover the broad range of styles in the tattoo market. We offer models in 025 for fine lines in realistic work, in 030 for intermediate lines and lettering with fine finishes, and in 035 for slightly thicker lines, but not as thick as those used in traditional or neo-traditional styles. Additionally, our line cartridges can also be used for shading small tattoos or designs, providing broad versatility. This model has been designed to meet a wide variety of styles and needs of tattoo artists.