Fully throwing onepiece snap pin Screw microneedle Description A onepiece screw microneedle cartridge designed for precise cosmetic and tattoo work. Transparent plastic shell with a screw port for secure connection. Available in multiple configurations to match common cartridge tattoo machines and grips. Key benefits Precise results: sharp, fine needles produce clean, thin lines for detailed work. Consistent performance: stable construction and reduced vibration help maintain control during procedures. Durable and reliable: toughness and wearresistant needles support repeated use during sessions. Fast pigment uptake: needle geometry optimizes color delivery for efficient shading and lining. Specifications Product type: Tattoo needle cartridge, Screw microneedle, Nano cartridge Models available: 1R, 3RL, 5RL, 7RL, 3F, 5F, 7F, nano 12pin, nano round, nano square Color: 1R, transparent Needle material: 316 stainless steel Packaging: packaged securely for transport and storage Functions and compatibility: tattoo needles, cartridge system, Screw Micro needle, Nano Cartridge, MYM MTS compatible, microneedling needles; compatible with cartridge tattoo machines and grips Features Sharp tips for precise lining and fine detail Thin line capability for naturallooking strokes and crisp edges toughness and stable needle alignment for consistent performance Wearresistant needles for session durability Transparent shell for clear visibility of needle arrangement and pigment flow Screw port for flexible, secure attachment and authentic handling feel Typical applications and scenarios Eyebrow shading and microblading style work: use 3F or nano round for soft shading and natural hair strokes. Eyeliner and fine lining: use 1R or 3RL for crisp, precise lines along the lash line. Lip shading and lip liner: use 5RL or nano 12pin for even pigment distribution and smooth shading. Microneedling and skin texturing applications: select nano square or nano round configurations for controlled depth and coverage. Who this is for Professional and beginner cosmetic artists and tattooists seeking a range of cartridge options for brows, eyeliner, lips, and microneedling. Artists who need compatible cartridges with secure screw attachment and visible needle alignment. Usage notes Compatible with most cartridgestyle tattoo machines and grips; confirm fit with your device before use. Choose needle configuration based on desired line thickness, shading density, and application area. Dispose of used needles and cartridges following local regulations and standard practice for singleuse tattoo supplies. Models, functions, and compatibility are provided as listed.