{"product_id":"mast-tattoo-mast-pro-1209rs-round-shader-tattoo-cartridges-20-pack-clear-disposable-calibrated-tension","title":"MAST TATTOO Mast Pro 1209RS Round Shader Tattoo Cartridges 20-Pack — Clear Disposable, Calibrated Tension","description":"\u003cp\u003e\u003cstrong\u003eThese are Mast Pro disposable 1209RS round shader tattoo cartridges — a 20-piece pack built with clear, high-density plastic bodies and calibrated tension for consistent shading and easy cleaning.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned for artists who want dependable disposable cartridges, the Mast Pro 1209RS round shaders combine a transparent housing with a tension system tuned to reduce stress on rotary and pen-style machines. The clear body helps you monitor ink flow and rinse between color changes, while the stable internal mount keeps needle groups aligned for smooth pigment delivery.\u003c\/p\u003e\n\n\u003ch3\u003eHow do Mast Pro 1209RS cartridges improve shading consistency?\u003c\/h3\u003e\n\u003cp\u003eThe 1209RS grouping and manufacturing tolerance keep needles evenly spaced so pigments deposit uniformly. That stability reduces skipping and feathering when building gradients or packing color.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRound shader 9-count grouping for dense, even packs\u003c\/li\u003e\n  \u003cli\u003eCalibrated tension minimizes needle wobble\u003c\/li\u003e\n  \u003cli\u003eClear housing shows ink flow and needle movement\u003c\/li\u003e\n  \u003cli\u003eDisposable design eliminates sterilization concerns between clients\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these cartridges fit my pen or rotary machine?\u003c\/h3\u003e\n\u003cp\u003eMast Pro cartridges are made to work with most standard cartridge-compatible pen and rotary grips. The universal connection and stable mount make them a straightforward swap-in for compatible machines.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eStandard cartridge fitting for broad compatibility\u003c\/li\u003e\n  \u003cli\u003eSecure connection reduces play during work\u003c\/li\u003e\n  \u003cli\u003eLow-stress tension helps prolong pen motor life\u003c\/li\u003e\n  \u003cli\u003eDisposable format for quick changes mid-session\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I keep the cartridges clean between color changes?\u003c\/h3\u003e\n\u003cp\u003eThe clear, high-density plastic bodies make rinsing and visual inspection simple, so you can flush residual ink and confirm the tip is clear before a new color. Because they are disposable, thorough cleaning is quick and final—replace cartridges for full hygiene.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTransparent bodies reveal ink residue for efficient rinsing\u003c\/li\u003e\n  \u003cli\u003eRinse under running water and use approved disinfectant for external surfaces\u003c\/li\u003e\n  \u003cli\u003eReplace cartridges between color switches to avoid cross-contamination\u003c\/li\u003e\n  \u003cli\u003eSingle-use needles eliminate repeated autoclave cycles\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat needle groupings and sizes does Mast Pro offer for liners and shaders?\u003c\/h3\u003e\n\u003cp\u003eMast Pro supplies a full range of needle configurations across liners and shaders so you can choose appropriate groupings for linework, shading, and packing. The 1209RS specifically targets shading with a nine-needle round formation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e1209RS = 9-needle round shader for even coverage\u003c\/li\u003e\n  \u003cli\u003eOther Mast Pro groupings available for liners and different shader densities\u003c\/li\u003e\n  \u003cli\u003eChoose grouping based on desired saturation and texture\u003c\/li\u003e\n  \u003cli\u003eConsistent manufacturing keeps groupings predictable session to session\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Mast Pro 1209RS 20-piece disposable cartridges suit professional tattoo artists and apprentices who need reliable, easy-to-clean round shaders that work with cartridge-ready pens and rotary machines. They’re ideal for shading, blending, and packing color, and for studios prioritizing efficient workflows and client safety through single-use components.\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 cartridge-style pens?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — Mast Pro 1209RS cartridges use a standard cartridge connection and fit most cartridge-compatible pen and rotary grips.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How many cartridges are in the pack and what is the grouping?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The pack contains 20 disposable cartridges, each a 1209RS nine-needle round shader grouping.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"MAST TATTOO","offers":[{"title":"Default Title","offer_id":53435875131739,"sku":"B08F7R6GXX","price":28.95,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1017\/9860\/9243\/files\/mast-pro-front-packaging_e825ff34-89b9-4462-a8eb-9080a616aead.jpg?v=1782320177","url":"https:\/\/remediesbeauty.co.uk\/products\/mast-tattoo-mast-pro-1209rs-round-shader-tattoo-cartridges-20-pack-clear-disposable-calibrated-tension","provider":"REMEDIESBEAUTY","version":"1.0","type":"link"}