{"product_id":"ki_fk-one_charub_30","title":"FK Irons｜ONE Wireless ｜3.0mm Stroke｜Charcoal \/ Ruby","description":"\u003cp\u003e\u003cstrong\u003eA wireless pen-style tattoo machine with a fixed 3.0mm stroke. This is the Charcoal \/ Ruby color model of the \"ONE\" by FK Irons.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe FK Irons ONE is a pen-style tattoo machine designed for wireless operation. The body is made from 6061 T6 aircraft-grade aluminum and is powered by two Panasonic NCR18500A batteries. The batteries are removable and replaceable, and a USB-C dual battery charge dock is included. The output voltage can be adjusted from 5 to 12V in 0.5V increments, with a visual LED color spectrum indicator to show voltage changes.\u003c\/p\u003e\n\n\u003cp\u003eThis model has a fixed 3.0mm stroke. The ergonomic grip has a diameter of approximately 38mm and is designed to prevent rolling. It is compatible with Cheyenne-type cartridges and FK modular grips, making it suitable for integration with existing consumables and accessories. The color is Charcoal (matte charcoal) for the main body with Ruby (ruby) end caps. The end caps feature a smart disconnect function to cut off power, and the battery hatch can be opened and closed with a quick twist.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Features\u003c\/h2\u003e\n\u003cul\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003eTwo removable batteries\u003c\/strong\u003e: Equipped with two Panasonic NCR18500A batteries. Supports up to approximately 8 hours of continuous operation (varies depending on usage conditions) and allows for operation while swapping batteries.\u003c\/li\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003e5-12V \/ 0.5V pitch adjustment\u003c\/strong\u003e: Allows for fine voltage adjustment, with an LED color spectrum indicator for visual identification of the current voltage.\u003c\/li\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003eEnd cap with smart disconnect function\u003c\/strong\u003e: The Ruby-colored end cap can be removed to reliably cut off power. Combined with the quick-twist battery hatch, this design makes it easy to manage operation locks.\u003c\/li\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003eCheyenne-type cartridge compatible\u003c\/strong\u003e: Compatible with Cheyenne-type cartridges and FK modular grips.\u003c\/li\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003eTravel case included\u003c\/strong\u003e: Comes with a travel case with custom foam for storage during transport.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch2\u003eProduct Details\u003c\/h2\u003e\n\u003cp\u003eKey specifications are as follows:\u003c\/p\u003e\n\u003cul\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003eBrand\u003c\/strong\u003e: FK Irons\u003c\/li\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003eProduct Name\u003c\/strong\u003e: ONE Wireless\u003c\/li\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003eType\u003c\/strong\u003e: Wireless pen-style tattoo machine\u003c\/li\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003eColor\u003c\/strong\u003e: Charcoal \/ Ruby\u003c\/li\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003eStroke\u003c\/strong\u003e: 3.0mm (fixed)\u003c\/li\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003eVoltage \/ Adjustment Range\u003c\/strong\u003e: 5-12V (0.5V increments)\u003c\/li\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003eBattery\u003c\/strong\u003e: Panasonic NCR18500A × 2 (removable and replaceable)\u003c\/li\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003eOperating Time\u003c\/strong\u003e: Up to approximately 8 hours (varies depending on usage conditions)\u003c\/li\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003eGrip Diameter\u003c\/strong\u003e: Approximately 38mm (ergonomic shape)\u003c\/li\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003eSize \/ Weight\u003c\/strong\u003e: Diameter 38mm × Length 134mm \/ 227g\u003c\/li\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003eBody Material\u003c\/strong\u003e: 6061 T6 aircraft-grade aluminum\u003c\/li\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003eCompatible Cartridges\u003c\/strong\u003e: Cheyenne type \/ FK modular grips\u003c\/li\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003eAccessories\u003c\/strong\u003e: Dual battery charge dock (USB-C), travel case (with custom foam), Panasonic NCR18500A battery × 2\u003c\/li\u003e\n\n  \u003cli\u003e\n\n\u003cstrong\u003eManufacturing\u003c\/strong\u003e: Made in USA\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch2\u003eRecommended for:\u003c\/h2\u003e\n\u003cp\u003eThis machine is suitable for those looking for a pen-style machine with a 3.0mm stroke, designed for wireless operation.\u003c\/p\u003e\n\u003cul\u003e\n\n  \u003cli\u003eThose who want to handle long sessions with a battery-swappable wireless machine.\u003c\/li\u003e\n\n  \u003cli\u003eThose who already use Cheyenne-type cartridges as their primary consumables in their studio or sessions.\u003c\/li\u003e\n\n  \u003cli\u003eThose who prefer to adjust voltage precisely during their work.\u003c\/li\u003e\n\n  \u003cli\u003eThose who want a portable setup with a case included.\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003ch2\u003eNotes:\u003c\/h2\u003e\n\u003cp\u003eThe stroke of this product is fixed at 3.0mm. If you are looking for a model with a different stroke, please check other FK Irons ONE stroke variations. Operating time varies depending on battery condition, usage voltage, and work content. Before use, please check the usage and storage instructions provided by the manufacturer or on the product packaging. Product specifications, packaging, and accessories may change depending on the arrival time.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eRelated Links\/Videos\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv style=\"position: relative; height: 0; padding-bottom: 56.25%;\"\u003e\u003ciframe style=\"position: absolute; width: 100%; height: 100%; left: 0;\" height=\"360\" width=\"640\" src=\"https:\/\/www.youtube.com\/embed\/zNH_l4V9XDA\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e","brand":"FK Irons","offers":[{"title":"Default Title","offer_id":51138038858024,"sku":"ki_FK-ONE_CHARUB_30","price":120780.0,"currency_code":"JPY","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/4219\/4216\/files\/0807112013_68940d5d6875f_2e4a95d1-5886-4b4f-8971-1025e433c7ea.jpg?v=1764746616","url":"https:\/\/flag-ts.com\/en\/products\/ki_fk-one_charub_30","provider":"FLAG Tattoo Supply","version":"1.0","type":"link"}