FK Irons AL13 Roswell Power Liner Tattoo Machine - Kryptonite

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Weight 0.4244
Brand FK Irons
Material Aluminum

AL13 Roswell Coil Tattoo Machine – Kryptonite Power Liner

The FK Irons AL13 Roswell machine has been newly designed to provide tattoo artists with a lightweight and even more reliable coil tattoo machine than ever before. The Roswell features FK Irons’ signature aircraft-grade aluminum construction and its powerful 1.5 coil system. These machines are compatible with any type of needle configuration and can be tuned to the artist’s style. The Roswell improves on other FK Irons coil machines with a new anti-slip Guillotine Vise mechanism that deadlocks all tubes to ensure security and reliability. The steel inlaid rear yoke has also been redesigned to provide an even stronger connection and flexible clip cord positioning. This AL13 Roswell is a Power Liner tattoo machine with a Kryptonite anodized finish.


  • Kryptonite anodized aircraft grade aluminum
  • Standard clip cord input ready
  • Loaded with FK Irons 1.5 Coil System
  • Compatible with any type of needle configuration
  • New, improved anti-slip Guillotine Vise mechanism deadlocks tubes
  • New, improved steel inlaid rear yoke provides stronger connection & multiple positions
  • Certificate of Authenticity and Warranty Information insert included
  • Price per tattoo machine body only
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.

Size Reference Chart

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


18g, 16g

14g, 12g


Internal Thread Pattern

0.8mm or 0.9mm



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


18g, 16g

14g, 12g, 10g

External Thread Pattern



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