Armstrong 13mm Full Polish Long Pattern Combination Wrench 12 Point

•Made in the USA - Quality and Availability •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 •Full Polish Chrome Finish Provides Smooth Edges with a High Luster •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 B107.9M-1994