Product Name: Fully throwing onepiece snap pin Screw microneedle Overview precision cartridge needles designed for permanent makeup and tattoo work. Each pack contains 10 pieces. Transparent plastic shell with screw port design for stable connection to cartridgestyle machines and grips. Key benefits Precise lines and fast pigment uptake for efficient work and cleaner results. Durable 316 stainless steel needles with toughness and wear resistance for consistent performance. Stable, lowvibration construction that helps maintain control on delicate areas. Onepiece snap pin and screw microneedle design for reliable fit and flexible use with cartridgestyle tattoo machines, including many digital permanent makeup systems. Specifications Pack size: 10 pcs Models available: 1P, 3P, 5P, 7P, 3F, 5F, 7F Color: transparent Packaging: safe packaging Features and performance Needle profiles: round points and flat configurations for line work and shading. Sharp tips and thin line capability for fine detail such as hair strokes and eyeliner. Fast color delivery characteristics for efficient pigment saturation. Stable needles with strong stretch that help maintain consistent depth and reduced bouncing. Transparent shell for clear visibility during application. Functions and compatibility Designed for eyebrows, fog eyebrows, eye lines, floating lips, lip liner, eyeliner, lashes, and body tattoo work. Compatible with most cartridgestyle tattoo machines and grips and suitable for use with digital permanent makeup machines and screw micro needle systems. Use scenarios Eyebrow microshading and hair stroke shaping: 3P or 7P models for natural hair stroke and 3F or 5F for soft shading techniques. Lip liner and full lip coloring: use round groupings for precise liner work and flat groupings for even color packing. Eyeliner and lash enhancement: fine point models for thin, controlled lines along the lash line. Who it is for Suitable for professional artists and beginners who are learning cartridgestyle techniques and looking for a stable, easy to use needle that supports both line and shading work. What is included 10 individual cartridge needles per pack in transparent shell with screw connection. Notes Follow machine manufacturer guidance for compatibility and recommended needle settings.