Search  for anything...
Milwaukee

Milwaukee Electric - 3PC Shockwave IMP Duty 3/8DR Extension Set

  • Based on 62 reviews
Condition: New
Checking for the best price...
$36.79 Why this price?

Buy Now, Pay Later

As low as $9 / mo
  • – 4-month term
  • – No impact on credit to apply
  • – Instant approval decision
  • – Secure and straightforward checkout

Ready to go? Add this product to your cart and select a plan during checkout.

Payment plans are offered through our trusted finance partners Klarna, Affirm, Afterpay, Apple Pay, and PayTomorrow. No-credit-needed leasing options through Acima may also be available at checkout.

Learn more about financing & leasing here.

Free shipping on this product

FREE 30-day refund/replacement

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.

View our full returns policy here.

Availability: 13 left in stock
Fulfilled by Top Tool Store
Arrives Jul 9 – Jul 13
Order within 1 hour and 49 minutes
Available payment plans shown during checkout
Protection Plan Protect Your Purchase
Checking for protection plans...

Recently Viewed

Features

  • Milwaukee Electric Tool 3 Piece 3/8"" Drive Impact

Description

Milwaukee Electric Tool 3 Piece 3/8"" Drive Impact

Color: Black


Brand: Milwaukee


Material: Metal


Item Length: 0.38 Inches


Item Weight: 1.3 Pounds


Head Style: Square Drive


Brand Name: Milwaukee


Model Number: 49-66-6714


Set Name: 3PC


Manufacturer: Milwaukee Electric


UPC: 045242581344


Manufacturer Part Number: 49-66-6714


Item Type Name: Milwaukee Electric - 3PC SHOCKWAVE IMP DUTY 3/8DR EXTENSION SET


Unit Count: 50.0 Count


Manufacturer Warranty Description: Manufacturer Warranty


Included Components: Milwaukee Electric - 3PC SHOCKWAVE IMP DUTY 3/8DR


Item Length: 0.38 Inches


Item Weight: 1.3 Pounds


Package Quantity: 1


Material Type: Metal


Color: Black


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Jul 9 – Jul 13

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.

  • Klarna Financing
  • Affirm Pay in 4
  • Affirm Financing
  • Afterpay Financing
  • PayTomorrow Financing
  • Financing through Apple Pay
Leasing options through Acima may also be available during checkout.

Learn more about financing & leasing here.

Similar Products

Top Amazon Reviews

    • Great Product
Great Product
Reviewed in the United States on March 4, 2026 by Terrel Wooten
    • Quality products
Quality product
Reviewed in the United States on January 4, 2026 by Gary Mauney
    • 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. ... show more
Reviewed in the United States on May 25, 2026 by Shawn
    • 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.
    • Can't go wrong
Great extensions
Reviewed in the United States on December 17, 2025 by Alter tunkel
    • 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
    • Great buy
Original packaging, great set of extensions
Reviewed in the United States on December 1, 2025 by Ademar
    • We will see
Good grab on both ends. Just got them as an upgrade from my Pittsburgh set. Time will tell
Reviewed in the United States on February 19, 2026 by Daddyman

Can't find a product?

Find it on Amazon first, then paste the link below.
Checking for best price...