Kwadron SEM stands for Soft Edge Magnum, also referred to as Curved Magnum (CM) by some users, designed for optimal shading and smooth color transitions. These cartridges feature needles arranged in a curved, flat configuration with a soft edge, providing a gentle touch and natural blending. Variations Available: Needle Sizes: Choose from a wide range of sizes, including 5SEM, 7SEM, 9SEM, 11SEM, 13SEM, 15SEM, 17SEM, 19SEM, 21SEM, 23SEM, 25SEM, and 27SEM, allowing for customized shading and filling effects. Needle Diameter: Available in different needle thickness: standard #12 (0.35mm), #10 (0.30mm, bugpin), or #8 (0.25mm, fine bugpin). Taper: Equipped with a "Long Taper," providing a smooth, refined point ideal for detailed shading and creating soft gradients with greater control and accuracy. Pair these Kwadron Curved Magnum Tattoo Cartridge Needles into your workflow with Kwadron Round Liners for outlining, Kwadron Round Shaders for shading, or Kwadron Magnum for filling.