Armstrong 12-118 1/2" 9/16" Drive 12 Point Standard Socket USA

• Made in the USA - Quality and Availability
• Radius Corner Design 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
• EYE-D™ Markings Optimize Size Visibility, Also Providing SAE / Metric Differentiation
• Unique Socket Retention Method, Cold Form Ball Recess, Provides Consistent Secure Retention of the Socket to the Drive Tool Eliminating the Possibility of Either a Loose Fit or Tight Fit
• Socket Wall Dimensions are Optimized to Provide Strength While Retaining Access to Restricted Fasteners
• 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 B107.1-2002 and US Federal Spec. GGG-W-641 E