Feature 1: SANITATION – Disposable independent packaging ensures safe and sanitary use. Hygiene is guaranteed with no risk of contamination. Feature 2: PRECISE ASSEMBLY – Standardized production process ensures accurate assembly for each unit, minimizing errors. Feature 3: ASSORTED SIZES – Includes 5 different models: 1203RL, 1205RL, 1205RM, and 1207RM, with 5 pieces of each for versatile use. Each unit is precisely assembled. Feature 4: EXCELLENT MATERIALS – Needles made of stainless steel offer high hardness and smooth performance. Shell constructed from translucent polycarbonate (PC) material allows visibility and provides durability. Feature 5: APPLICATION RANGE – Suitable for various tattooing techniques, meeting multiple needs with reliable performance. Item Type: Cartridge Needle Material: Stainless Steel, PC Models Included: 1203RL, 1205RL, 1205RM, 1207RM (5 pieces each) Compatible Machine Type: Designed for use with cartridge pens and cartridge handle machines Sterilization Method: Ethylene Oxide Reusability: Disposable Shelf Life: 5 years Package List: 20 x Cartridge Needles