KOSTECH tattoo needle cartridges designed for quick needlesize changes without swapping machines. Multisize pack with individually sealed, sterile cartridges for professional and PMU use. Key benefits Quick change system saves time and keeps workflow uninterrupted. Stabilizer design improves precision and needle stability for cleaner, more consistent strokes. Sterile, individually blister packed cartridges reduce handling and maintain hygiene. Synthetic construction provides a flexible, realistic feel suitable for both beginners and experienced artists. Compatible with machines that accept the cartridge type and screw port connection. Sterilization and packaging Each cartridge is sterilized by EO gas and packed in an independent blister for single use. Individual sealed packaging helps maintain sterility until use. Sizes and typical applications 1P cartridges: singletip nano cartridges for ultrafine hair strokes and the finest eyeliner work. 3P cartridges: suited for lip contour, denser eyebrow hairs, eyeliner, and light shading. 5P cartridges: ideal for lip shading, eyebrow shading, lip outline, eyeliner, and scar camouflage shading. 7P cartridges: useful for eyeliner, deeper lip shading, nipple reconstruction work, and camouflage of larger scar areas. Specifications and compatibility Microneedle diameter: 8 mm. Includes a screw port style connection for compatible machines. Compatible with Charmant permanent tattoo machines and may fit Liberty machines; because machine models vary, please confirm compatibility with your device before . Use scenarios Microblading and nano brow sessions where precise, hairlike strokes are required for naturallooking brows. Lip work including contour and shading for even pigment distribution and smooth blending. Scar camouflage and nipple reconstruction shading where stable, controlled strokes and denser groupings are needed. Additional notes 100 percent brand and . Suitable for eyebrow, eyeliner, and lip contour procedures. Check that your machine accepts this cartridge type and the 8 mm microneedle diameter before ordering. This product offers a practical cartridge solution for artists seeking faster needle changes, greater precision, and a variety of needle configurations for common PMU and cosmetic tattooing applications.