Milwaukee 49-66-7009 43-Piece SHOCKWAVE 3/8-Inch Drive SAE & Metric Deep 6-Point Impact Duty Socket Set

The Milwaukee SHOCKWAVE Impact Duty 3/8 in. Drive SAE & Metric Deep 6 Point Socket Set, model 49-66-7009, is a 43-piece impact socket set built for mechanics, service techs, installers, and contractors who need one organized kit that covers common 3/8 inch drive fastening work. This is a socket set designed for high torque fastening and removal with impact wrenches, impact drivers, ratchets, and adapters. The big draw here is simple: it gives you both SAE and metric sizes in standard and deep patterns, plus the accessories you actually use, in one case that is made to hold up on the job.

Milwaukee built this set around real impact use, not light-duty hand-tool duty. The sockets use forged impact steel and a 6-point design, which matters because 6-point contact is better suited for grabbing flats on a fastener under load. In practical terms, that helps reduce the chance of rounding hardware when you are breaking loose rusted bolts, running structural fasteners, or working on equipment where a slipped socket costs time.

One of the better details on this set is the marking system. Milwaukee uses stamped and ink-filled size markings along with laser-etched part numbers. That may sound small on paper, but it makes a real difference once the sockets start living in a service truck, gang box, or shop drawer. You can identify sizes faster, even after grease, dirt, and repeated use would make lighter markings hard to read.

The geometry is also aimed at jobsite durability. Milwaukee calls out a non-slip hex geometry to help prevent socket and fastener rounding, along with a dual-hole design and ring groove for easier attachment. If you swap sockets often during repetitive fastening work, those details help keep the process moving and make the set less frustrating to use with impact tools and adapters.

This kit covers a wide range of common sizes. You get SAE and metric sockets in both standard and deep lengths, plus a 3 inch extension, a 3/8 inch universal joint, and a 1/4 inch hex adapter. That mix makes the set useful for more than one kind of work. Standard sockets handle plenty of everyday access, deep sockets help on protruding studs and longer threaded hardware, and the included accessories give you extra reach and angle when access gets tight.

Storage is handled by an impact-resistant carrying case with nestable design for stacking and storage. That is worth mentioning because socket sets only stay useful if they stay complete. A durable case helps keep the set together in a truck or shop, and the organized layout makes it easier to see what is missing before you leave a job or close up for the day.

Compatibility is straightforward. This set is optimized for use with 3/8 inch drive impact wrenches, impact drivers, ratchets, and adapters. If your work centers on 3/8 inch drive tools and you need both inch and metric coverage in one package, this set makes sense. It is especially well suited for automotive work, equipment service, general maintenance, mechanical fastening, and mixed trade jobs where fastener sizes are not always predictable.

Bottom line: this is the kind of socket set for users who are tired of piecing together mismatched sockets from different trays. If you want a Milwaukee impact socket set that covers common sizes, reads clearly, works with 3/8 inch drive tools, and comes ready for actual shop or field use, the Milwaukee SHOCKWAVE Impact Duty 3/8 in. Drive SAE & Metric Deep 6 Point Socket Set is a solid fit.

Milwaukee SHOCKWAVE Impact Duty 3/8 in. Drive SAE & Metric Deep 6 Point Socket Set Gets the Basics Right

This is the kind of socket set that earns its spot fast because it covers the common sizes, reads clearly, and is actually built for impact work instead of pretending to be.

• Who it’s for: Techs, mechanics, installers, and contractors who live in the 3/8 inch drive range and want one case that handles SAE and metric hardware.
• Why it stands out: The forged impact steel construction, readable stamped and ink-filled markings, and mix of standard, deep, and accessory pieces make it a practical everyday set.
• Worth knowing: This is a focused 3/8 inch drive set, so it is great for day-to-day fastening work, but you will still want larger drive sizes on hand for the biggest hardware.

• Is this an impact socket set? Yes. It is an impact-duty socket set made from forged impact steel and designed for high torque applications.
• Does this set include both SAE and metric sockets? Yes. The set includes both SAE and metric sizes.
• Are both standard and deep sockets included? Yes. Milwaukee lists both standard and deep sockets in the set.
• What tools is it meant to work with? It is optimized for use with 3/8 inch drive impact wrenches, drivers, ratchets, and adapters, including cordless, corded, and pneumatic tools.