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Internet # 328298875

Model # 48-22-9039-48-22-9341

Store SKU # 1010705370

3/8 in. Drive 9 in. Flex Head Ratchet with 3/8 in. Drive Extension Set (5-Piece)

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  • Set features the largest knurling surface, offering more control
  • Compact storage rack is designed to optimize drawer space
  • Clear markings make size identification easy
  • View More Details
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Product Details

About This Product

The Milwaukee 3/8 in. Drive 9 in. Flex Head Ratchet with a 4° arc swing allows users better access and is more adaptable to working in spaces with different angles. The ratchet head can flex to 9 different positions and has a lever to lock the head in place. A slim profile head and flush directional level offer more accessibility. The all-chrome finish makes cleaning the Milwaukee flex head ratchet easy. Milwaukee back this ratchet with their Mechanics Hand Tools Lifetime Guarantee. The extensions in this 4 piece set feature the largest knurling surface, offering the most control. Each extension has knurling on the female drive end to help when hand-tightening fasteners or working with oily materials. Additionally, select extensions in the set have knurling on the shaft for more control. The set includes a durable compact storage rack designed to optimize drawer space for long-term use. Chrome plating offers corrosion and rust protection. All Milwaukee Mechanics Hand Tools are backed by a lifetime guarantee.


  • 4° arc swing
  • 9 locking positions - adaptable access
  • Slim profile head
  • 90-tooth design
  • Flush directional lever
  • Flex head design
  • Chrome plated
  • 9 in. ratchet
  • Lifetime guarantee
  • Includes: one 3/8 in. drive 9 in. flex head ratchet (48-22-9039), 3/8 in. Drive Extension Set (4-Piece)
  • Largest Knurling surface - precision control
  • Compact storage rack - optimize drawer space
  • Easy to read size identification
  • Knurling on female end helps when hand tightening
  • Corrosion resistant
  • Return Policy

Product Information

Internet # 328298875

Model # 48-22-9039-48-22-9341

Store SKU # 1010705370

Additional Resources

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From the Manufacturer



Drive Size

3/8 in

Handle Length (in.)

8.75 in


Color Family



Flex Head, Reversible

Hand Tool Type





Chrome-Plated Steel

Number of Pieces




Tools Product Type

Hand Tool

Tooth Count


Warranty / Certifications

Manufacturer Warranty

Lifetime Guarantee

Questions & Answers

Typical questions asked about products:

  • Is the product durable?
  • Is the product easy to use?
  • What are the dimensions of the product?

Customer Reviews

4.7 out of 5

  • 4.7 out of 13 reviews
  • 100% recommend this product
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Showing 1-10 of 13 reviews
A Quality Milwaukee tool
The Milwaukee 3/8 inch drive extension set is a very high quality looking set of extensions. From the fit of the socket ends to the knurled shafts they seem well made. The four piece extension set comes with a storage tray and 1-1/2, 3, 6 and 14 inch extensions. The knurled ends and shafts make using these extensions easier to grip. The extensions grip the socket and the wrench well but are not so tight as to be hard to remove. I am very pleased with these Milwaukee 3/8 inch extensions and they will be the first extension I will reach for in my tool box. They have a lifetime guarantee and have contact information on the package to get a replacement piece if ever needed.
  • Recommended
This 3/8 extension set is a nice addition to your tool set. It comes with a storage rack that you can use to keep the set in one place or if your like most men, you can just throw them into your drawer with all the rest of your sockets. This kit comes with four sizes of extensions but it doesn’t include a swivel, which would have made the kit better. This kit has a lifetime warranty.
  • Recommended
A Very Handy Ratchet Wrench to Have
I’m super impressed with this wrench. It was made to withstand a beating while performing its job perfectly. This wrench has the added features of a locking neck and a ratcheting head. I love the locking neck, it makes things so much easier when working; I can put a lot of force on the handle and not worry about slipping because the wrench changes its angle. And the fact it is ratcheting saves a lot of time. I’m happy with the length too. Overall, this is an awesome wrench; I recommend it highly.
  • Recommended
Terrific tool to have on hand for fasteners in confined spaces or at angles not parallel to ratchet handle
This flex head ratchet is a terrific tool to have on hand when I need to tighten/loosen fasteners in confined spaces. It’s especially useful when the head of the fastener is not parallel with the ratchet handle, like when loosening/tightening the oil pan drain plug on my cars. I love that the ratchet head can be locked into place when adjusted to one of the eight forward or backward angles. A ninth angle is when the head is neutral (un-angled). The ratchet has a lifetime guarantee from a company (Milwaukee) that I expect to be in business for a very long time to come. Tool was made in Taiwan.
  • Recommended
The Milwaukee 3/8 in. Drive 9 in. Flex Head Ratchet with a 4° arc swing is a great little ratchet! The double action povoting and locking head allows users better access and is more adaptable to working in tight spaces with different angles. The ratchet feels great in your hand and is heavy. The ratcheting action is smooth and does not wobble like some other brands or older ratchets do. The head can be flexed to 9 different positions and has a lever to lock the head in place.  this is especially useful when working in tight engine bays or under cats where nothing ever seems to be conveniently accessible. The sockets fit firmly, but not so tightly that you need to fight to remove a socket.
  • Recommended
A Great Ratchet
Milwaukee…. 3/8 in. Drive x 9 in. Flex head Ratchet, Nice ratchet and it has a lot of features, this ratchet can fit almost anywhere with its 4° arc swing and its pivoting head give it the ability to work in small and odd shaped places with odd angles, the ratchet head can flex to 9 different locking positions and it has a lever that locks the head in place, it has an extended handle for a little extra reach and a little extra leverage, a slim profile and 90 tooth design make this ratchet is easy to use it is lite weight and durable and has a chrome finish and best of all it comes with a Lifetime Guarantee. This is a great tool.
  • Recommended
Excellent Fit and Finish
The Milwaukee 3/8 inch drive flex head wrench has 9 locking angle positions, useful for accessing fasteners in tight awkward locations. The ratchet has a low profile head and flush direction levers for enhanced clearance. The 90-tooth action enables working in a 4° pivot arc, useful in confined spaces. The ratchet lacks a quick-release button, an omission that makes socket attachment and removal somewhat less convenient. The polished chrome finish makes for easy cleaning when the job is completed. It’s a quality tool. Lifetime warranty. Made in Taiwan.
  • Recommended
Great Ratchet!
This nine inch 3/8 inch ratchet is the perfect size! The ratchet gears are quiet and have a fine engagement. The attachment point is firm and positive. The forward / reverse lever is well positioned and engages well. I really like the tilt head. It moves through a 180 degree arc and will stop anywhere along the travel. There is a positive locking lever that holds the ratchet tilt in place. I've had ratchets that cost over twice as much that didn't have the locking feature. The price point is nice and the warrantee is excellent. If you need a quality 3/8 inch ratchet this is the one you want.
  • Recommended
This thinhlg is the Mac mommy of rachetz my dudes!
  • Verified Purchase
Good tool way way cheaper then the tool trucks !
  • Verified Purchase
Showing 1-10 of 13 reviews