{"product_id":"a-minusone-1209rs-9-needle-round-shader-tattoo-cartridges-20-pack-anti-backflow-membrane-sterile","title":"A-minusone 1209RS 9-Needle Round Shader Tattoo Cartridges — 20-Pack, Anti-Backflow Membrane \u0026 Sterile","description":"\u003cp\u003e\u003cstrong\u003eA-minusone 20 Pcs 1209RS are single-use round shader tattoo needle cartridges with anti-backflow membranes and double-sealed sterilized packaging for professional tattoo work.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese 1209RS cartridge needles are built for repeatable shading and controlled ink flow, packaged in a 20-count set to keep a steady supply on hand. Each cartridge combines stainless-steel needles with a transparent plastic housing and an internal membrane to reduce backflow, while a stabilizer minimizes tip wobble for cleaner lines and smoother shading. The cartridges arrive E.O. sterilized and individually wrapped for single-use safety.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these cartridges improve ink control during shading?\u003c\/h3\u003e\n\u003cp\u003eThe 1209RS configuration gathers and distributes ink evenly across nine tightly grouped needles, which helps produce consistent tone and gradation when shading. The transparent tube gives visual feedback on ink level and flow, so you can adjust technique or machine settings quickly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRound shader 9-needle layout for smooth fills\u003c\/li\u003e\n  \u003cli\u003eTransparent housing for visible ink movement\u003c\/li\u003e\n  \u003cli\u003eMembrane anti-backflow reduces contamination risk\u003c\/li\u003e\n  \u003cli\u003eStabilizer to limit needle wobble under pressure\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre these cartridges compatible with my rotary pen?\u003c\/h3\u003e\n\u003cp\u003eA-minusone 1209RS cartridges are designed to fit most standard rotary tattoo pens that accept snap-in cartridges. The universal-style hub and plastic casing make them easy to attach and remove, supporting fast swaps during busy sessions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStandard snap-in connection fits many rotary machines\u003c\/li\u003e\n  \u003cli\u003eLightweight plastic housing keeps overall pen balance\u003c\/li\u003e\n  \u003cli\u003eTwist-and-pull removal for quick cartridge changes\u003c\/li\u003e\n  \u003cli\u003ePackaged in a compact 20-piece set for supply efficiency\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat safety features are included to protect artists and clients?\u003c\/h3\u003e\n\u003cp\u003eSafety is built into each cartridge: an internal membrane prevents ink and liquid from entering the pen, while E.O. sterilization and individual double-sealed wrapping ensure cartridges are sterile until opened. Single-use design eliminates reuse risks.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInternal anti-backflow membrane to stop ink\/blood ingress\u003c\/li\u003e\n  \u003cli\u003eE.O. sterilized and double-sealed individual packages\u003c\/li\u003e\n  \u003cli\u003eSingle-use disposables reduce cross-contamination\u003c\/li\u003e\n  \u003cli\u003eDurable stainless-steel needles for consistent integrity\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do these cartridges affect workflow and cost-efficiency?\u003c\/h3\u003e\n\u003cp\u003eBuying a 20-pack keeps a reliable rotation of cartridges ready, reducing downtime for cleaning or re-sterilizing reusable tips. High-quality construction means fewer performance issues mid-session, and the transparent tube helps you finish faster by monitoring ink usage.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e20 cartridges per pack for predictable inventory\u003c\/li\u003e\n  \u003cli\u003eDurable materials reduce mid-session failures\u003c\/li\u003e\n  \u003cli\u003eTransparent tubes help avoid unexpected ink runs\u003c\/li\u003e\n  \u003cli\u003eFast snap-fit installation speeds up session flow\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho this product is for: Professional and aspiring tattoo artists who need reliable disposable round shader cartridges for lining, shading, and color packing. Ideal for busy studios, mobile artists, and apprentices who prioritize safety, visible ink flow, and consistent needle performance. If you use rotary-style pens and want a sterile, anti-backflow option that fits most machines, the A-minusone 20 Pcs 1209RS pack is a practical supply choice.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these 1209RS cartridges sterile out of the box?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Each cartridge is E.O. sterilized and double-sealed for single-use sterility.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will these cartridges fit my rotary tattoo pen?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They fit most standard snap-in rotary pens, but check your pen's compatibility before purchase.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"A-minusone","offers":[{"title":"Default Title","offer_id":53437929652571,"sku":"B0C6TZ1Y2B","price":21.83,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/9860\/9243\/files\/a-minusone-front-packaging-1209rs.jpg?v=1782348082","url":"https:\/\/remediesbeauty.co.uk\/products\/a-minusone-1209rs-9-needle-round-shader-tattoo-cartridges-20-pack-anti-backflow-membrane-sterile","provider":"REMEDIESBEAUTY","version":"1.0","type":"link"}