Wireline Top Subs/ Head Subs/ Firing Subs

Industry proven wireline top sub design, made more productive, safe, and durable.

Yellow Jacket Oil Tools offers top subs for wireline applications, also referred to as head subs or firing subs. Yellow Jacket top subs offer design features that increase productivity, user safety, and tool durability.

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Wireline Top SubsMore Productive

Fluting increases pipe wrench grip and torque for faster tool string assembly and disassembly.


With fluting, wrenches are less likely to slip and injure users.

More Durable

Premium, heat-treated 4340 steel improves durability.

Fluting outlasts the industry-standard, knurled style gripping.

Sub Styles

  • Spring Boot Style
  • Firing Block Style

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