{"product_id":"fkirons-fk-one-update-4-0mm-stroke","title":"FkIRONS - FK ONE UPDATE 4.0mm STROKE","description":"\u003cp\u003e\u003cb\u003e\u003cstrong\u003e\u003cspan\u003eBUILT FOR HIGH-DEMAND STUDIO ENVIRONMENTS\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eThe FK One Update is engineered as a dependable, all-purpose rotary designed to perform across a wide range of artists and techniques. As an evolution of a proven platform, it delivers consistent output, simplified usability, and broad versatility—making it an easy, high-confidence option for shops looking to streamline machine offerings without sacrificing performance coverage.\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cstrong\u003e\u003cspan\u003eEXTENDED RUN TIME WITH CLEAR SYSTEM FEEDBACK\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDual battery compatibility (18500A \u0026amp; 18650A) supports extended operating sessions with up to 5.5–6.5 hours per battery depending on configuration. A 1.1” integrated LCD display provides real-time visibility of voltage and system settings, helping reduce user error and ensuring clear operational feedback in fast-paced studio environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cstrong\u003e\u003cspan\u003eBROAD ARTIST COMPATIBILITY \u0026amp; REDUCED FATIGUE\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eAt 215g (233g with battery), the FK One Update is balanced for control, stability, and extended use across varying artist styles. Compatibility with Ergo Shield grips supports faster setup and improved comfort, making it an accessible, multi-user solution that fits easily into both beginner and advanced artist workflows—ideal for retail and shop-level stocking.\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cstrong\u003e\u003cspan\u003eSIMPLE, FLEXIBLE PERFORMANCE RANGE\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWith a 5V–12V (80Hz–180Hz) operating range and precise incremental adjustments, artists can fine-tune machine performance to match their technique, workflow, and client skin response in real time. Fixed 3.0mm and 4.0mm stroke options cover core tattooing applications including lining, shading, and packing, enabling a single SKU to support multiple techniques without added complexity for end users.\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cstrong\u003e\u003cspan\u003eTECHNICAL SPECIFICATIONS:\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eWeight: 215g \/ 233g (with battery) \u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eLength: 126mm \/ 134mm \u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMax Width: 38mm \u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eStroke Options: 3.0mm \/ 4.0mm (fixed) \u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eVoltage Range: 5–12V (0.2V increments) \u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eFrequency Range: 80–180Hz \u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eRPM: 4,800–10,800 \u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eMotor: Brushed coreless motor \u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBattery System: Dual compatibility (\u003ca href=\"https:\/\/distributor.bodyartalliance.com\/collections\/fk-one-drop-in-batteries\/products\/panasonic-ncr-18500a-flat-top-battery-price-per-1\" style=\"font-weight: 400;\"\u003e18500A\u003c\/a\u003e \u0026amp; \u003ca href=\"https:\/\/distributor.bodyartalliance.com\/collections\/fk-one-drop-in-batteries\/products\/panasonic-ncr-18650ga-flat-top-battery-price-per-1\" style=\"font-weight: 400;\"\u003e18650A\u003c\/a\u003e) \u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eBattery Life: 5.5–6.5 hours per battery \u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eCharge Time: 2–2.5 hours max \u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eDisplay: 1.1” LCD screen \u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eGrip Compatibility: Ergo Shield compatible\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/distributor.bodyartalliance.com\/collections\/fk-one-drop-in-batteries\" style=\"font-weight: 400;\"\u003e\u003cspan\u003eSpare Drop-In Batteries can be found here.\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e\u003cstrong\u003e\u003cspan\u003eResources:\u003cbr\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/b\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0576\/4766\/1154\/files\/ONE_Update_Int_manual_2026.pdf?v=1781118801\" style=\"font-weight: 400;\"\u003e\u003cspan\u003eUser Manual\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0576\/4766\/1154\/files\/ONE_Update_Int_manual_2026.pdf?v=1781118801\" style=\"font-weight: 400;\"\u003e\u003cspan\u003eInternational User Manual\u003c\/span\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Raven Tattoo Supply","offers":[{"title":"STEALTH","offer_id":67584715063459,"sku":null,"price":650.0,"currency_code":"USD","in_stock":true},{"title":"POP PINK","offer_id":67584715096227,"sku":null,"price":650.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0657\/6717\/8403\/files\/26F97981-8992-4AA7-AD58-61396961879F.png?v=1790776400","url":"https:\/\/raventattoosupply.com\/products\/fkirons-fk-one-update-4-0mm-stroke","provider":"Raven Tattoo Supply","version":"1.0","type":"link"}