Professional equipment specifications can change. Data below was checked against the linked manufacturer source on 2026-07-25. ComparePilot does not provide medical or infection-treatment advice.
Tattoo Machines
FK Irons Spektra Xion
The Spektra Xion is FK Irons' compact RCA pen platform, listed with interchangeable 3.2 mm and 3.7 mm cam options, a balanced 25-32 mm grip range, and a much lower weight than the brand's battery-heavy wireless machines.
$624.99
Verified Jul 26 · FK IronsStroke: 3.2 mm or 3.7 mm interchangeable camPower: RCA wired
Best for: Artists who prefer a light, balanced RCA pen and do not need onboard wireless electronics
Versatility86
Ergonomics96
Weight98
Simplicity94
Value84
Advantages
Pros
- Light 152 g class weight and compact 114 mm length
- Interchangeable 3.2 and 3.7 mm cam options
- RCA power keeps batteries and displays out of the handpiece
Tradeoffs
Cons
- Requires external wired power
- No onboard Bluetooth or battery controls
- Changing stroke uses cams rather than an on-the-fly adjustment dial
Machine and workflow snapshot
Key specifications
Stroke
3.2 mm or 3.7 mm interchangeable cam
Power
RCA wired
Weight
152 g / 5.3 oz
Length
114 mm
Grip
25-32 mm balanced
Bluetooth
No