FK Irons – ONE – 4.0mm Stroke (stealth) [D12F4B]

Description

Built to Perform. Priced to Compete.

The FK Irons ONE Wireless Tattoo Machine – 4.0mm Stroke blends premium build quality with smart, no-fuss design. Whether you’re just getting started or need a reliable workhorse for daily use, this wireless pen delivers uncompromising performance — with a fixed 4.0mm stroke perfect for bold lining, solid colour packing, and efficient shading.

This machine runs completely wire-free, powered by 2x rechargeable Panasonic NCR 18500A batteries. Each battery offers up to 8 hours of runtime, and they’re hot-swappable with no fiddly screw-threading thanks to FK’s quarter-turn battery hatch. The ruby red battery cap also features a manual disconnect to prevent battery drain during travel.

Key Features:

• Fixed 4.0mm stroke – ideal for lining and solid colour work

• 2x Rechargeable Panasonic 18500A batteries included

• 5–12V voltage range, adjustable in 0.5V increments

• LED colour-coded voltage indicator

• Simple 3-button control – power, voltage up/down

• Click-grip needle depth adjuster

• Cheyenne-compatible cartridge system

• Weight: 227g | Length: 134mm | Diameter: 38mm

• Body: 6061 T6 medical-grade aluminium

• Includes travel case with custom-cut foam

Why Artists Choose the ONE:

• Zero cables, zero stress – pure wireless freedom

• Ergonomic grip with anti-roll grooves for comfort and control

• Battery disconnect keeps your gear safe in transit

• Made in the USA to exacting standards

• Compatible with all major cartridge brands (Cheyenne-type)

Whether you’re prepping for guest spots or streamlining your daily setup, this machine offers reliable, pro-level performance — without the price tag of flagship models.

Looking for more wireless options?

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