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Milwaukee Shockwave 6 in. X 3/8 in. drive SAE Impact Extension
Milwaukee Shockwave 6 in. X 3/8 in. drive SAE Impact Extension
Milwaukee Shockwave 6 in. X 3/8 in. drive SAE Impact Extension

Milwaukee Shockwave 6 in. X 3/8 in. drive SAE Impact Extension

Reach recessed fasteners with confidence using the Milwaukee Shockwave 6 in. x 3/8 in. drive SAE Impact Extension. Crafted from forged steel and built for high-torque impact work,…

Milwaukee MPN 49-66-6704
Sold Locally Only

This product isn’t sold on our website — see your local hardware store.

Typical Store Price i
Typical store price: low $13.99, average $16.99
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About Product Overview

Reach recessed fasteners with confidence using the Milwaukee Shockwave 6 in. x 3/8 in. drive SAE Impact Extension. Crafted from forged steel and built for high-torque impact work, this extension is part of Milwaukee’s Shockwave line—engineered to withstand the abuse of heavy-duty impact tools while delivering precise, dependable torque transfer.

  • Material: Forged steel for exceptional strength under repeated impacts
  • Drive size: 3/8 in. to fit standard impact wrenches and ratchets
  • Length: 6 in. of reach to access hard-to-reach fasteners in engine bays, suspension components, and machinery
  • Size type: SAE extension designed for common SAE fasteners
  • Impact rated: Yes — designed to survive repeated hammer blows without deformation
  • Packaging: Carded packaging for easy display and selection
  • In the package: 1-piece extension
  • Usage note: Sold through Milwaukee-authorized channels; third-party online marketplaces are restricted

Why this extension stands out

Traditional extensions can flex or twist under heavy impact torque, making fastener alignment tricky and prolonging repairs. The Shockwave 6 in. extension is engineered to maintain alignment under load, maximizing torque transfer and reducing cam-out. The 6-inch length gives you valuable reach into tight spaces—perfect for automotive work, maintaining commercial equipment, or performing service on lawn equipment where space is at a premium.

Ideal use cases

  • Automotive maintenance: reaching motor mounts, intake bolts, and under-hood fasteners
  • Equipment and machinery service: accessing bolts in tight frames and housings
  • DIY projects requiring extended reach without sacrificing grip or control

Tips for best results

  • Pair with compatible 3/8 in. drive sockets for optimized fit and reduced wobble
  • Use in combination with an impact-rated ratchet or impact wrench to maximize efficiency
  • Keep the extension clean and dry to prevent corrosion and ensure smooth engagement with fasteners

The Details Specifications

Brand Milwaukee
SKU 2028848
UPC 045242581320
Unit 0
Case Pack Quantity 72 per case
Retail Unit Quantity 1
Unit of Measure 0 0
Dimensions (L × W × H) 1 × 2 × 8
Weight 0 lbs
Cubic Feet 0.01474 ft³
Country of Origin CHINA
Safety Data Sheet (SDS) Manufacturer documentation · opens in new tab

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