POSEIDON Tattoo Cartridge Needles 50‑Pc Mixed Kit — Assorted Liners, Shaders & Magnums, EO Sterilized

POSEIDON 50-piece mixed tattoo cartridge kit: an assorted, sterilized selection of liners, shaders, magnums and round mag needles compatible with standard cartridge grips and pens.

This kit provides a balanced assortment of single-use cartridge needles designed for professional and hobbyist tattoo artists who need reliable ink flow, consistent needle stability and sanitary packaging. Each cartridge arrives individually blister-packed and EO gas sterilized, giving you peace of mind while switching sizes quickly during sessions. The set covers common configurations for outlines, shading, color packing and soft gradients.

Which needle sizes are included and what are they best for?

The kit contains ten sizes with five cartridges each, giving you 50 sterile cartridges total. Sizes range across round liners, round shaders, round magnums, curved magnums and a mixed mag configuration to cover most tattooing needs.

• 3RL, 5RL, 7RL, 9RL — precise round liners for clean outlines and detailed work
• 5RS, 7RS, 9RS — round shaders for softer fills and small-area shading
• 7RM, 9RM, 9M1 — magnums and mixed mags for packing color and blending gradients
• Each cartridge labeled and blister-packed for fast size swaps during sessions

How does the cartridge design support ink flow and stability?

POSEIDON cartridges use stainless steel needles and a specially engineered tip material that promotes smooth, consistent ink delivery. The construction reduces splatter and maintains needle alignment for predictable performance across passes.

• Stainless-steel needles for easy ink uptake and reliable penetration
• Precision tip material that holds needles steady under varying machine speeds
• Optimized internal channels to improve ink flow and reduce backflow
• Disposable membrane to help keep the machine sanitary and reduce cross-contamination

Are these cartridges compatible with my pen or grip?

These cartridges are made to fit standard cartridge-compatible tattoo pens and grips that accept the common snap-in cartridge interface. They are not proprietary to a single brand, so they work with the majority of modern cartridge machines used in studios and by independent artists.

• Standard 3/4" cartridge fitting — fits most cartridge grips and rotary pens
• Snap-in connection for quick, secure installation and removal
• Disposable design minimizes downtime for sterilization between clients
• Clear labeling on each blister pack simplifies size selection during work

What safety and packaging standards does this set meet?

Every cartridge is sterilized with EO gas and individually blister-packed to maintain hygiene until first use. The kit follows single-use disposal best practices to support a sterile workflow in studio environments.

• EO gas sterilization for each cartridge
• Individual blister packs to prevent contamination before opening
• One-time joint design to promote hygienic single-use handling
• Manufacturer refund/replacement policy for customer satisfaction

Who is this kit for? Tattoo artists and apprentices who require an assortment of commonly used cartridge sizes for outlining, shading and color work will find this POSEIDON pack convenient and cost-effective. It's suitable for studio professionals who need sterile, ready-to-use cartridges to maintain workflow efficiency, as well as hobbyists investing in a reliable, disposable needle selection for practice and commissioned pieces.