Product overview 10 disposable tattoo cartridge needles, individually packed for single use. Diameter 0.35mm. Available models: 3RL 5RL 7RL 9RL 3RS 5RS 7RS 9RS 5M1 7M1. Key benefits Ready to use and single use only: each cartridge is individually packed, making handling and disposal straightforward. Precise and consistent performance: grade stainless steel needles deliver a stable needle output for reliable lining, shading, and color packing. Reduced ink issues: tip and cartridge design help minimize ink or pigment leakage and reduce the chance of needle jamming. Clear visual control: semi transparent tips let you observe needle movement and ink flow while working. Durable, nonmetal spring system: elasticity silicone gel replaces traditional iron springs for smoother needle and no risk of spring corrosion. Features and specifications Quantity: 10 pieces per pack. Needle diameter: 0.35 mm. Models available: 3RL 5RL 7RL 9RL 3RS 5RS 7RS 9RS 5M1 7M1. Material: needles made from grade stainless steel. Tip: semi transparent plastic tip for visibility. Spring system: silicone gel elastic element replacing iron spring. Performance and compatibility Function: designed for cartridgestyle tattoo machines; provides stable penetration and consistent ink delivery for common tattoo techniques. Compatibility: fits cartridge tattoo machines that accept standard cartridge needle modules. Confirm compatibility with your machine model before use. Intended use: disposable singleuse cartridges for professional and tattooing. Practical use scenarios Lining: 3RL to 9RL cartridges for clean, accurate line work on outlines and details. Shading and soft fills: 3RS to 9RS cartridges for soft shading and blending in small to medium areas. Color packing and magnum work: 5M1 and 7M1 cartridges for efficient color saturation and packing in larger areas. Notes For single use only. Dispose of used cartridges according to local regulations. Confirm cartridge model selection based on desired needle configuration and tattoo technique.