Spektra Halo 2.8mm Stroke Wheel — Price Per 1

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SKU TAT-1078
Weight 0.013200
Brand FK Irons

2.8mm Stroke Wheel for Spektra Halo Rotary Tattoo Machines by FK Irons

This stroke wheel is compatible with Spektra Halo rotary tattoo machines. It installs easily onto the Spektra Halo 2 slip-on stroke wheel MotorBolt, which is also compatible with Halo 1 models. This stroke wheel has a 2.8mm stroke length. The stroke wheel is priced per one and comes ready to install with a bearing and screw; changing stroke wheels will adjust the needle displacement.


  • Stroke Length: 2.8mm
  • Compatible with Spektra Halo rotary tattoo machines
  • Adjusts needle displacement
  • Comes with cam, bearing, and screw; ready for installation onto MotorBolt
  • Available with 4mm stroke length
  • Price per one stroke wheel with bearing and screw
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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