FEATURES
Increased Durability
- 304 stainless steel body resists corrosion, especially when used with acid
- Heavy-duty wall tube reduces bending damage
- 4140 steel, heavy-wall end fittings
Standalone Window Sub
- Window positioned in a standalone sub to reduce bending risk
- Threaded holes in the window sub facilitate grounding and suspending the conductor wire
Better Grip
- Increased wrench grip and torque for faster tool configuration assembly and disassembly
- Pipe wrench is less likely to slip and injure the user
Compatibility
- Multiple sub configurations available: top/window/bottom
- Compatible with industry-standard top threads
Optional Configuration: Bump & Dump Bottom Sub
- Spring-loaded rod breaks glass when actuated
FEATURES
Increased Durability
- 304 stainless steel body resists corrosion, especially when used with acid
- Heavy-duty wall tube reduces bending damage
- 4140 steel, heavy-wall end fittings
Standalone Window Sub
- Window positioned in a standalone sub to reduce bending risk
- Threaded holes in the window sub facilitate grounding and suspending the conductor wire
Better Grip
- Increased wrench grip and torque for faster tool configuration assembly and disassembly
- Pipe wrench is less likely to slip and injure the user
Compatibility
- Multiple sub configurations available: top/window/bottom
- Compatible with industry-standard top threads
Optional Configuration: Bump & Dump Bottom Sub
- Spring-loaded rod breaks glass when actuated
SPECIFICATIONS & CONFIGURATIONS
- Top Sub Configurations: 1 3⁄16“-12 UN Box, 1 5⁄8“-6 ACME pin, 3 1⁄8” gun top sub
- Bottom Sub Configurations: standard, or bump and dump with spring-loaded rod that breaks glass when actuated
- Diameter: 3 1⁄8”
- Bailer joint lengths: 5’, 10’
SPECIFICATIONS & CONFIGURATIONS
- Top Sub Configurations: 1 3⁄16“-12 UN Box, 1 5⁄8“-6 ACME pin, 3 1⁄8” gun top sub
- Bottom Sub Configurations: standard, or bump and dump with spring loaded rod that breaks glass when actuated
- Diameter: 3 1⁄8”
- Bailer joint lengths: 5’, 10’
This is what confidence looks like before it goes downhole. The FirstString™ system—featuring the M1NT™ Frac Plug and Adapterless Setting Tool—is designed to take the guesswork out of your next stage. Paired with your choice of HALO™ or NEON™ gun systems, it’s the most field-ready, modular solution in completions.
One vendor. One string. Zero hesitation.

Engineered for seamless execution from top to bottom, FirstString™ integrates any of our gun systems with the M1NT+™ Adapterless Plug-Set Combo into a single, purpose-built solution. Designed to minimize failure points and streamline assembly, FirstString™ delivers efficient rig-up, precise orientation, and proven isolation—run after run.

Pick your gun.
Trust your plug.
Win the stage.
Whether you run HALO™ or NEON™, FirstString™ pairs it with M1NT™ to deliver the most dependable string in the game. Learn more → https://bit.ly/YJfirststring

Freedom isn’t free—it’s paid for by the sacrifice of heroes. Their legacy lives on in our freedom.

The heart of Yellow Jacket Oil Tools beats in the shop, and our people make the difference every single day. Appreciating the talent, pride, and hustle behind the scenes that power everything we send to the field.

FirstString™ - Top to Bottom, It`s All Yellow Jacket Oil Tools. HALO™ Self-Orienting Perforating Guns + M1NT+™ Adapterless Plug-Set Combo with the M1NT™ Composite Frac Plug = one powerful Trimulfrac solution.
