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General Description:
2026 Melfred Borzall 23M-L400MV4 standard crossover sub adapter.

Seller states:
This heavy-duty transition sub is crafted from premium heat-treated alloy steel and allows you to adapt a standard 2-3/8" API Regular connection directly to a Vermeer QuickFire 400 system setup.

Additional Information:
Seller states:

Specifications:
- Configuration: Pin-to-Pin (Male to Male crossover)
- Side 1: 2-3/8" API Regular (REG) Pin (Stamped with A64 line marker)
- Side 2: Vermeer QuickFire 400 (QF400) Pin with fluid O-ring sealing groove
- Design: Includes thick machined wrench flats on the center collar for reliable downhole breakouts.
- The item weighs approximately 10 lbs.

Condition:
The tool is used but structurally solid. The 2-3/8" REG threads are straight and crisp without flatting or cross-threading. The QF400 pin side features a smooth, clean collar and an intact O-ring slot to ensure a proper fluid-tight seal against mud leakage.