• FK One Update Tattoo Machine Stealth 3.0mm
  • Creamy Coral — Perma Blend
  • FK One Update Tattoo Machine
  • FK One Update Tattoo Machine
  • FK One Update Tattoo Machine
  • FK One Update Tattoo Machine
  • FK One Update Tattoo Machine
  • FK One Update Tattoo Machine
  • FK One Update Tattoo Machine
  • FK One Update Tattoo Machine
  • FK One Update Tattoo Machine Gunmetal 3.0mm
  • FK One Update Tattoo Machine Pop Pink 3.0mm
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FK One Update Tattoo Machine

SKU: FK1-ST-3.0

Pro Price $649.99

Single Item
Color: Stealth

Multiple Items

Need a larger amount? Make a quick order.

$649.99

Stealth / 3.0mm

FK1-ST-3.0

$0.00

$649.99

Stealth / 4.0mm

FK1-ST-4.0

$0.00

$649.99

Gunmetal / 3.0mm

FK1-GN-3.0

$0.00

$649.99

Gunmetal / 4.0mm

FK1-GN-4.0

$0.00

$649.99

Pop Pink / 3.0mm

FK1-PP-3.0

$0.00

$649.99

Pop Pink / 4.0mm

FK1-PP-4.0

$0.00
Total: $0.00
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Description

Reimagine daily versatility with a machine that handles everything. Building on the fan-favorite features of the OG machine, the FK One Update is designed as a true all-rounder for artists who don’t want to switch machines mid-flow.  

Power through longer sessions with upgraded batteries. Dual rechargeable batteries (18500A & 18650A) give you flexibility and endurance, with up to 5.5–6.5 hours per battery depending on configuration. Plus, the battery housing comes with a refined 1.1” digital LCD display so you can clearly see your voltage and all your settings at a glance.  

Say goodbye to fatigue with unmatched ergonomics + efficiency. Weighing in at just 215g (233g with battery), the FK One Update is built for control without heaviness. It integrates seamlessly with Ergo Shield grips, cutting setup time down to seconds while improving comfort during long sessions. 

Choose the stroke that’s right for you. The FK One Update comes with a 3.0mm or 4.0mm stroke according to your preference. With 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.

Technical Specifications: 

  • Weight: 215g / 233g (with battery)  

  • Length: 126mm / 134mm  

  • Max Width: 38mm  

  • Stroke: 3.0mm & 4.0mm fixed  

  • Voltage: 5–12V (0.2V increments)  

  • Hertz: 80–180Hz  

  • RPM: 4,800–10,800  

  • Motor: Brushed coreless motor  

  • Battery Capacity: 2000 mAh / 3300 mAh  

  • Battery Life: 5.5 hours / 6.5 hours per battery (up to 12 hours combined)  

  • Charge Time: 2h / 2.5h max  

  • Display: 1.1” LCD screen  

  • Battery System: Dual rechargeable (18500A & 18650A compatible)  

  • Compatible with Ergo Shield Grips 

Resources:
User ManualOpens a new windowOpens a new window

International User ManualOpens a new window

Product Weight: 1.45 lb

Size Table

Standard Body Jewelry Measurements

The following webchart is a quick reference guide for standard body jewelry measurements and how to measure basic body jewelry. Please print this webchart to help measure your body jewelry accurately.

Standar Body Jewelry MeasurementsJPG (300 KB)

Visit our PainfulPleasures Infocenter for additional body jewelry information. There, you will find detailed articles on standard body jewelry sizes, how to measure body jewelry, basic body jewelry, and more.

Standard Body Jewelry Threading

Ensure compatibility between standard (non-custom) PainfulPleasures body jewelry parts using the tables below. More information on threading, including custom thread patterns, can be found in our Threading Infocenter article.

Internally threaded jewelry has a threaded post on the top and/or end, which is then inserted into a threaded hole in the barbell shaft.

Internal Thread Patterns by Gauge

Gauge

18g, 16g

14g, 12g

10g–00g

Internal Thread Pattern

0.8mm or 0.9mm

1.2mm

2.0mm


Externally threaded jewelry has a threaded post on the barbell shaft, which is then inserted into a threaded hole in the top and/or end.

External Thread Patterns by Gauge

Gauge

18g, 16g

14g, 12g, 10g

External Thread Pattern

1.2mm

1.6mm

Shipping & Returns

View Shipping & Return Policies

THE NEW FK ONE UPDATE

RE-ENGINEERED FOR ELITE PERFORMANCE

Built on a proven platform and refined for today’s artist, the FK One delivers the control, consistency, and performance that define FK Irons.

  • Brushed coreless motor for smooth, consistent power
  • Available in Stealth, Gunmetal, and Pop Pink
  • Choose between 3.0mm and 4.0mm stroke options

MORE CONTROL. MORE VISIBILITY.

Precision matters. Monitor battery life, adjust voltage, and stay focused with complete visibility over your machine settings.

  • Crystal-clear digital display
  • Precise 0.2V voltage adjustments
  • Up to 12 hours of battery life

THE FK STANDARD, EVOLVED

Everything you loved about the original. Refined with the features artists asked for and built to perform at the highest level.

  • Familiar FK One ergonomics and feel
  • New digital display
  • More precise voltage control
  • Up to 12 hours of battery life

Overall rating: 5.0 / 5 from 4 reviews.

AI Generated Review Summary

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Review highlights

Reviews

Great machine

"Is a great machine for all kind of style. Powerful and precise. Plus have 2 years of warranty. FK is a great brand for professional and beginner artists"

— Moreira (5/5)

Impressed!

"I used my friends FK Iron machine to test it out, and I’m super impressed! It’s a versatile machine, you can get a lot out of it."

— Chauntea (5/5)

Best brand

"Fk are one of my all time favorite tattoo machine brands, if you are looking for a machine that’s you can do any style, from line work, neotraditional, fineline, black & grey and for packing the color this is the machine you need. All in one ✅"

— Jorge M. (5/5)

New machine

"This is great for all artist"

— Lamar (5/5)

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