SHOCKWAVE Impact Duty™ 3/8" Drive 10" Extension

SHOCKWAVE Impact Duty™ 3/8" Drive 10" Extension

The 49-66-6705 Milwaukee SHOCKWAVE Impact Duty™ 3/8" Drive Extension is a long-reach, high-strength 10" extension built to tackle deep or hard-to-access fasteners without sacrificing durability. Constructed from forged impact steel and engineered for high-torque applications, it delivers reliable performance and secure socket retention—because sometimes “almost long enough” just doesn’t cut it.

Country of Origin
Varies by production batch

Key Features / Specifications

• Model / Part Number: 49-66-6705
• Brand: Milwaukee
• Product Type: Impact socket extension
• Drive Size: 3/8" input / 3/8" output
• Length: 10"
• Compatibility: Optimized for 3/8" drive impact wrenches and impact sockets
• Material: Forged impact steel for durability in high-torque applications
• Retention Design: Ball detent ensures secure socket hold during use
• Attachment Features:
  • Dual hole design with groove for easy installation and removal
• Markings:
  • Laser-etched size and part number for quick identification
• Standards: Meets ASME industry standards
• Performance: Designed to provide extended reach in deep or confined spaces
• Warranty: Lifetime guarantee (covers impact sockets and extensions only)

Ideal For

• Reaching deep or recessed fasteners where standard setups fall short
• High-torque applications using 3/8" drive impact tools
• Automotive and mechanical work requiring extra reach and durability
• Jobs where secure socket retention under load is critical
• Anyone who needs just a bit more reach—and prefers not to stack extensions like a game of Jenga