Made in the USA SAE Jumbo Combination Wrench by Armstrong Industrial Hand Tools. The 1-11/16 12 Point Long Combination Wrenches is labeled "Armstrong", "USA", 25-254, and 1-11/16 on a Satin Finish. See photos and glad to answer questions!
From Armstrong Industrial Hand Tools:
- Made in the USA - Quality
- Box Ends Incorporate a Radius Corner Design That Engages the Flats of the Fastener, Not the Corners, Providing Up to 15% -20% More Torque While Reducing Fastener Rounding, Enhancing the Turning of Worn Fasteners
- Box Ends Are Offset a True 15° for Clearing Obstructions and Knuckle Clearance on Flat Surfaces
- The Shank to Box End Transition Area is Also Reinforced to Provide Greater Strength
- Open End Has a Radius Design for Greater Strength; Especially When Compared to a Hex Open End
- Large Size Stamp on Both Ends of the Wrench and Both Sides of the Wrench for Ease in Identification
- Satin Chrome Finish Provides Smooth Edges with a Bright Appearance
- Manufactured From High Alloy Steel Using the Most Up-To-Date Manufacturing Process and Heat Treat for Greater Strength and Durability
- Meets or Exceeds ASME B107.6-1994 and US Federal Spec. GGG-W-636E
- Removes even worn fasteners
- Precision broached openings
- "Lobular" design exerts force on flats of fasteners
- Heat-treated to ensure correct hardness and spring
- Prevents rounding of fasteners' corners