Product overview A disposable tattoo cartridge designed for practice and precision line work. Compatible with standard tattoo cartridge machines and cartridge manual pens. Secure locking, realistic needle feel, prefilled ink, and individual sealing for hygienic storage and transport. Key benefits Secure attachment: Twoway symmetrical buckle design locks into cartridge machines and manual cartridge pens. Insert and rotate clockwise to lock, rotate counterclockwise to remove. Designed to prevent needle movement during operation. Realistic needle pressure: Integrated stretch silicone provides about 300G moderate pressure needle output. The silicone offers strong resilience and simulates a real pressure touch when the machine is powered on, making practice sessions more realistic. Ready to use and disposable: Each cartridge comes prefilled with 0.1 ml of ink and is disposable, eliminating the need to refill ink between uses. Clean tip performance: 0.5 mm tip diameter produces fine lines without easy ink accumulation, suitable for outlining and detailed work. Estimated drawing length about 150 meters per cartridge. Features and specifications Compatibility: Fits tattoo cartridge machines and cartridge tattoo manual pens. Locking mechanism: Twoway symmetrical buckle design for easy clockwise installation and counterclockwise removal. Needle output pressure: Approximately 300G, provided by stretch silicone system. Ink capacity: 0.1 ml per cartridge, prefilled. Tip size: 0.5 mm diameter for fine line drawing. Writing length: About 150 meters of continuous line. Packaging: Each cartridge is sealed and packaged separately with a small sealing wax on the nib to prevent ink drying or overflow during transport. Design: Disposable singleuse cartridge. Practical use scenarios Outline practice: Ideal for practicing outlines on practice skins, emphasizing consistent line weight and control with the 0.5 mm tip. Hand and foot placement: Suitable for practicing hand back or instep placements where steady needle pressure and fine lines are required. Machine setup and testing: Use to verify cartridge mounting, needle stability, and machine tuning without the need to load separate ink. Why choose this cartridge Provides a secure, stable connection to cartridge machines and manual pens to reduce needle movement. Simulates realistic needle pressure through stretch silicone for more effective practice. Prefilled and individually sealed for convenience and hygienic handling. Fine tip and generous drawing length support detailed practice and multiple sessions. What is included Individual disposable tattoo cartridge with prefilled ink and sealed nib.