Kwadron Equaliser™ Proton Enduro Rotary Pen Tattoo Machine

In stock
Only 6 left
6 left in stock!
Add to Shopping List
More Information
Weight 0.500000
Brand Kwadron

Equaliser™ Proton Enduro by Kwadron — Pen Style Rotary Tattoo Machine in Black

Tattoo with confidence and trace your creative vision with a firm grip using the Kwadron Equaliser™ Proton Enduro.

This machine is so lightweight and balanced, it’s perfect for any tattooing style, from bold traditional work to fine line detailing; an adjustable needle depth of 0mm up to 5mm also contributes to this machine’s versatility.

Tattoo with endurance and enthusiasm using the Proton Enduro’s reliable contoured 1” grip. Combined with the lightweight body and super low center of gravity, you’ll be sure to have a firm grasp on your machine, inspiring focus, steadiness, and precision. The Kwadron Equaliser Proton Enduro also has the smooth, quiet operation that lovers of pen-style machines prefer.

This listing is for the Kwadron Equaliser™ Proton Enduro in Black. Get a grip on your artistic vision and make it endure today.


  • Color: Black
  • Net Weight: 4.2oz
  • High-quality CNC aluminum housing
  • 4.5W Faulhaber motor
  • Max voltage: 12v
  • Machine Length: 4-1/2”
  • Grip Diameter: 1”
  • Stroke: 3.5mm
  • 0mm–5mm adjustable needle depth
  • RCA connection; RCA hidden in machine housing for protection
  • Made in Poland by Kwadron
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



Shipping & Returns
View Shipping & Return Policies
Reviews Questions