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Extended holiday returns
FREE refund/replacement until Jan 31, 2027 Learn more
FREE refund/replacement until Jan 31, 2027 Learn more
This item's return window has been extended for the holiday season: FREE refund/replacement until Jan 31, 2027
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
To initiate a return, please visit our Returns Center.
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Availability:
In Stock.
Arrives
Sunday, Nov 8
Recently Viewed
At a glance
- Condition
- New
- Model
- 49-66-6714
- Weight
- 1.3 lb
- Color
- Black
- Material
- Metal
- Item Length
- 0.38 in
- Head Style
- Square Drive
- In the box
- Milwaukee Electric - 3PC SHOCKWAVE IMP DUTY 3/8DR
Features 1
- Milwaukee Electric Tool 3 Piece 3/8"" Drive Impact
Specs 19
| Color | Black |
|---|---|
| Brand | Milwaukee |
| Material | Metal |
| Item Length | 0.38 inches |
| Item Weight | 1.3 pounds |
| Head Style | Square Drive |
| Measurement Standard | SAE |
| Package Quantity | 1 |
| Material Type | Metal |
| Brand Name | Milwaukee |
| Model Number | 49-66-6714 |
| Unit Count | 50 Count |
| Set Name | 3PC |
| Number of Items | 1 |
| Manufacturer | Milwaukee Electric |
| UPC | 045242581344 |
| Item Type Name | Milwaukee Electric - 3PC SHOCKWAVE IMP DUTY 3/8DR EXTENSION SET |
| Manufacturer Part Number | 49-66-6714 |
| Manufacturer Warranty Description | Manufacturer Warranty |
No specs match.
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Sunday, Nov 8
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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- Affirm Pay in 4
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- Zip Pay in 4
- Financing through Apple Pay
- Financing through Google Pay
Learn more about financing & leasing here.
Top Amazon Reviews
great extensions
another great milwaukee product. these extensions work great with my impact.
Reviewed in the United States on July 6, 2026 by Jeff B.
Great Product
Great Product
Reviewed in the United States on March 4, 2026 by Terrel Wooten
Use it for my Impacts
The Milwaukee Electric 3PC Shockwave IMP Duty 3/8DR Extension Set has been an excellent addition to my tool collection for automotive work, heavy-duty fastening, and general shop use. Having three different extension lengths included in the set is especially convenient, allowing easy access to tight or hard-to-reach fasteners. One of the first things I noticed was the overall build quality. Each extension feels extremely solid and durable, with the rugged construction Milwaukee tools are known for. The Shockwave IMP Duty design gives confidence that these extensions can handle high torque applications without flexing or wearing prematurely. The fit and compatibility are especially impressive. These 3/8-inch drive extensions connect securely to impact wrenches, ratchets, and sockets with a tight, reliable fit. The detent ball holds sockets firmly in place during use, helping prevent accidental drops or slipping while working in awkward positions. Another feature I really appreciate is the impact-rated durability. These extensions are designed to withstand repeated use with impact tools, making them ideal for automotive repairs, equipment maintenance, and demanding fastening jobs. Even under heavy use, they continue to perform reliably without signs of damage or excessive wear. The finish and overall design also stand out. The extensions have a professional appearance and resist corrosion well, which is important when working in garages or outdoor environments. The different lengths provide excellent versatility for reaching recessed bolts and fasteners in confined spaces. I also like the overall value this 3-piece set offers. Having multiple extension sizes available in one package makes it easy to tackle a wide range of projects without constantly switching tools or searching for the right length. For mechanics, contractors, and DIY users looking for dependable impact-rated extensions, the Milwaukee Electric 3PC Shockwave IMP Duty 3/8DR Extension Set is an excellent choice. The durable construction, secure socket retention, and versatile sizing make these extensions especially useful for demanding applications. After using these extensions regularly, I’ve been very satisfied with their strength, reliability, and ease of use. They provide dependable performance during both light-duty and heavy-duty tasks while maintaining a secure connection with sockets and tools. Overall, the Milwaukee Electric 3PC Shockwave IMP Duty 3/8DR Extension Set is a fantastic option for anyone needing durable and reliable impact extensions. The sturdy construction, excellent fit, and versatile performance make this set a worthwhile addition to any professional or home toolbox.
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Reviewed in the United States on May 25, 2026 by Shawn
Works as it should
Works as it should
Reviewed in the United States on July 21, 2026 by calamity
Milwaukee
A+A+A+ EXCELLENT PERFECT EXACTLY AS DESCRIBED EXCELLENT HIGHLY RECOMMENDED!!!! THANK YOU!!!
Reviewed in the United States on June 27, 2026 by jeff l.
Quality products
Quality product
Reviewed in the United States on January 4, 2026 by Gary Mauney
Affordable & Durable
I'm a diesel and heavy equipment mechanic, so I mainly use impact rated tools. I was going to buy a Snap-On impact extension set but didn't want to spend the money and got these instead. They've been great and I have no regrets buying it.
Reviewed in the United States on March 5, 2026 by 7.3L Maniac
Can't go wrong
Great extensions
Reviewed in the United States on December 17, 2025 by Alter tunkel