| HFX EXTRA CAPACITY SERIES - Outer Member: 4130 OR 4340 Alloy Steel, heat treated, magnetic particle inspected, with protective coating for corrosion resistance.
- Ball: 52100 Steel, Heat Treated, Chrome Plated.
- Inserts: Coper alloy
- The letter "L" indicates Left Hand thread.
- The letter "G" indicates Lubricator.
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