One Machine. Seven Strokes. Zero Compromise.
The FK One Adjust is the next-generation wireless powerhouse from FK Irons, made with insights from over 100 artists to deliver a machine that truly works for you. Built to adapt to you with on-the-fly stroke adjustment and an intuitive digital interface, it can be used for any style and any technique - no machine swaps, just all-day consistency.
Key Features
Adjustable Stroke 2.0–5.0mm
Seamlessly adapt your style with instant 0.5mm stroke adjustments from 2.0 to 5.0mm—fine details to bold shading, all in one machine.
Swap-and-go Dual Batteries
Power through long sessions with up to 13+ hours of power from dual drop-in batteries—built for nonstop sessions.
Enhanced Digital Display
Clear, precise voltage control right at your fingertips for ultimate confidence.
Ergonomic FK Balance
Trusted FK feel with perfectly balanced weight for control and comfort.
FK Irons Quality
Industry-First 2-Year Warranty
- Extended protection on all machines
Global Repair Centres
- Locations in the UK, NL and US for fast service and convenience.
Fast Turnaround
- Average repair time 1-3 business days!
Expert support
- Trained technicians who understand tattoo machines
What Artists Are Saying
“The FK One Adjust is the machine I’ve been waiting for. Seamless stroke adjustments allows me to achieve delicate details and high saturation in one session, while protecting the skin for vibrant colour.”
Koral Ladna
“This machine is a game changer! The ability to adjust the stroke on-the-fly lets me streamline my process allowing for multiple options - lining, shading, and colour packing - all with one setup.”
Brandon Schultheis
“The ability to adjust the stroke of your tattoo machine on-the-fly is epic. Lining, soft shading, strong colour packing and highlights all with one machine? That’s awesome.”
Russell Van Schaick
“Balanced weight, beautiful design, and truly functional. My apprentice and junior artist both loved the control and precision and that you can feel the difference in how the machine hits the skin when you change the stroke.”
Ludwig Bradley & Shop Team
