The #10 Bugpin Magnum Shader Needle Cartridges features #10 gauge needles. Each box contains 20 cartridges compatible with all tattoo machines and grips. Equipped with a safety membrane, these cartridges guarantee seamless use and minimize motor strain. The Bugpin Magnum Shader configuration is designed to optimize efficiency in blending and coloring large areas with minimal impact on the skin. Suitable for lining, fine detailing, dot work, and filling out details, it adapts to various tattooing techniques. The safety membrane prevents backflow, enhancing ink flow stability and reducing stress on tattoo machines.