Milwaukee 3PC SHOCKWAVE Impact Duty™ 3/8"Drive Extension Set

3PC SHOCKWAVE Impact Duty™ 3/8"Drive Extension Set

The Milwaukee SHOCKWAVE Impact Duty™ 3-Piece 3/8" Drive Extension Set is a heavy-duty solution built for high-torque applications, giving you the extra reach needed when working with impact wrenches in tight or recessed spaces. Constructed from forged impact steel, these extensions are designed to handle demanding jobs while maintaining durability and strength. With laser-etched markings for quick identification and a ball detent design for secure socket retention, this set keeps your workflow smooth—even when the bolts aren’t.

Country of Origin
Varies by production batch

Key Features / Specifications

• Model / Part Number: 49-66-6714
• Brand / Series: Milwaukee SHOCKWAVE Impact Duty™
• Product Type: 3/8" drive impact extension set
• Drive Size: 3/8 in.
• Piece Count: 3-piece set
• Lengths Included: 3 in., 6 in., 10 in.
• Material: Forged impact steel for high torque durability
• Compatibility: Optimized for use with 3/8" drive impact wrenches and impact sockets
• Retention: Ball detent design for secure socket hold
• Attachment: Dual hole design and groove for easier connection
• Markings: Laser-etched size and part number for easy identification
• Standards: Meets ASME industry standards
• Warranty: Lifetime guarantee

Ideal For

• Automotive and mechanical work requiring extended reach with impact tools
• Accessing deep or hard-to-reach fasteners
• Jobs involving high torque applications with impact wrenches
• Users who want secure socket retention and easy attachment
• Anyone who’s ever been just a few inches short of reaching a bolt—and knew it was going to be a long day without the right extension