• 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