• Chrome Molybdenum Alloy Steel (Cr-Mo) for Exceptional Strength and Long Lasting Durability • Pin Hole for Use with Pin and O-Ring for Securing the Extensions to the Impact Wrench • Slide Locking Mechanism Securely Attaches Socket to Extension • High Visibility Laser Etched Markings • Manganese Phosphate Coating for Corrosion Resistance • Meets or Exceeds ASME B107.2
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