{"product_id":"mast-tattoo-mast-pro-1207rl-cartridge-needles-20-pack-12-7rl-round-liner-clear-tip-membrane","title":"MAST TATTOO Mast Pro 1207RL Cartridge Needles 20-Pack — #12 7RL Round Liner, Clear Tip \u0026 Membrane","description":"\u003cp\u003e\u003cstrong\u003eMAST TATTOO Mast Pro 1207RL cartridge needles are disposable #12-size 7 round liner tattoo cartridges sold in a box of 20, built for reliable lining and detailed work.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese Mast Pro 1207RL cartridges combine a clear, high-density plastic body with a membrane system and calibrated tension to reduce machine stress and minimize ink spitback. Supplied in sterile, single-use cartridges, they are designed for artists who want consistent needle grouping, easy cleaning of the tip area between color changes, and a smooth feed of ink while lining or working fine details.\u003c\/p\u003e\n\n\u003ch3\u003eWhy do these cartridges suit precise lining?\u003c\/h3\u003e\n\u003cp\u003eThe 7 round liner (#12) configuration provides a compact grouping that holds ink and delivers a controlled, concentrated line. The round-liner setup excels at outlines, intricate patterns, and small lettered work because it balances sharpness with steady ink flow.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSeven tightly grouped needles for crisp, consistent lines\u003c\/li\u003e\n  \u003cli\u003e#12 size standard suitable for fine to medium outlines\u003c\/li\u003e\n  \u003cli\u003eClear tip lets you see ink flow and needle alignment\u003c\/li\u003e\n  \u003cli\u003eMembrane reduces spitback for a cleaner working field\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the cartridge design protect my tattoo machine and workflow?\u003c\/h3\u003e\n\u003cp\u003eEach cartridge uses calibrated internal tension to match pen machines’ drive systems, helping reduce undue stress on the motor and extending comfortable run time. The membrane barrier prevents fluid from entering the grip and machine, lowering maintenance needs and keeping the pen sanitary between procedures.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-density clear plastic body resists deformation under pressure\u003c\/li\u003e\n  \u003cli\u003ePerfect tension settings reduce machine strain and heat buildup\u003c\/li\u003e\n  \u003cli\u003eInternal membrane limits ink and fluid backflow into the device\u003c\/li\u003e\n  \u003cli\u003eDisposable single-use packaging eliminates sterilization steps\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat practical benefits will I notice during a session?\u003c\/h3\u003e\n\u003cp\u003eArtists will quickly notice improved visibility at the needle tip thanks to the transparent housing, which makes color changes and tip cleaning more efficient. The fluid ink delivery and stable needle grouping make continuous lines more predictable, so shading transitions and touch-ups are easier to manage.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTransparent body simplifies cleaning and color-change checks\u003c\/li\u003e\n  \u003cli\u003eSmooth, consistent ink feed for steady line work\u003c\/li\u003e\n  \u003cli\u003eDisposable cartridges save prep time and reduce cross-contamination risk\u003c\/li\u003e\n  \u003cli\u003eStandard fitting fits most cartridge-compatible rotary pens\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I use and replace these disposable cartridges safely?\u003c\/h3\u003e\n\u003cp\u003eFit the Mast Pro 1207RL cartridge into a compatible cartridge-style pen using a firm push until secure. Use each cartridge for a single client or session, then discard in an approved sharps container; do not attempt to sterilize and reuse.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInstall by pushing into the cartridge pen until it locks in place\u003c\/li\u003e\n  \u003cli\u003eReplace when needle performance drops or after each client\u003c\/li\u003e\n  \u003cli\u003eDispose of cartridges in compliant medical\/sharps waste receptacles\u003c\/li\u003e\n  \u003cli\u003eStore unopened boxes in a cool, dry place out of direct sunlight\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Professional and apprentice tattoo artists who use cartridge-style rotary pens and need dependable, disposable liners for fine outlines, lettering, and detailed work. These Mast Pro cartridges are suited for busy shops that value predictable tension, minimal maintenance, and quick tip visibility during color swaps. They provide a cost-effective boxed supply of 20 sterile cartridges for studios focused on hygiene, consistency, and ease of use without altering equipment setups.\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 cartridges compatible with most tattoo pens?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — Mast Pro cartridge fittings match standard cartridge-style rotary pens used by most manufacturers.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I reuse a Mast Pro 1207RL cartridge?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No — these are single-use disposable cartridges and should be discarded in a sharps container after use.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MAST TATTOO","offers":[{"title":"Default Title","offer_id":53435872739675,"sku":"B08DNRQ4NF","price":27.94,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/9860\/9243\/files\/mast-tattoo-front-packaging_c89452ce-6413-49e3-9037-680e546dac4d.jpg?v=1782320115","url":"https:\/\/remediesbeauty.co.uk\/products\/mast-tattoo-mast-pro-1207rl-cartridge-needles-20-pack-12-7rl-round-liner-clear-tip-membrane","provider":"REMEDIESBEAUTY","version":"1.0","type":"link"}