The Milwaukee SHOCKWAVE Impact Duty 3/4 Inch Drive 6 Point Socket Set, model 49-66-7020, is an 8-piece metric deep socket set built for high-torque fastening and removal work. This is a 3/4-inch drive metric deep impact socket set designed for high-torque fastening and loosening with impact wrenches and ratchets. If you work on large fasteners in construction, industrial maintenance, heavy equipment, utility work, or fleet service, this set covers the core sizes that matter without loading your case with filler.

Milwaukee builds this set around forged impact steel and a 6-point socket shape, which is what you want when torque levels climb and rounded fasteners become expensive. The 6-point design puts force on the flats of the fastener instead of the corners, helping reduce rounding when you are breaking loose rusted or over-tightened hardware. Deep socket construction also gives you the reach needed for longer studs and recessed nuts, which is common on structural connections, pipe clamps, suspension hardware, and heavy mechanical assemblies.

One of the better real-world details here is the marking system. These sockets use stamped and ink-filled size markings for better wear resistance, so the sizes stay easier to read over time than faint surface markings that disappear after repeated use. On the job, that saves time. You are not hunting through a pile of black sockets trying to guess the difference between close metric sizes with dirty gloves on.

The dual-hole design and ring groove matter too. Socket retention is a small thing until you are swapping sockets all day on a large impact wrench or ratchet. This design helps with easier attachment and removal, which makes the set more practical for repetitive service work. Milwaukee also calls out non-slip hex geometry, which is there to help prevent socket and fastener rounding in high-load applications.

This set includes eight deep metric sockets in these sizes: 26 mm, 27 mm, 29 mm, 30 mm, 32 mm, 35 mm, 36 mm, and 38 mm. That range puts it squarely in the category for larger fasteners, not light automotive trim work. If your day involves anchor hardware, industrial bolting, pipe support systems, truck service, agricultural equipment, or general heavy mechanical work, these are the sizes that earn their space in the box.

The included storage case is impact resistant and designed to nest for easier stacking and storage. That is useful for keeping larger sockets together since loose deep impact sockets get heavy fast and disappear even faster in service trucks and gang boxes. Milwaukee also states that these sockets meet ASME industry standards and backs the impact sockets and extensions with a Lifetime Guarantee.

Compatibility is straightforward: this is a 3/4-inch drive socket set for use with 3/4-inch drive impact wrenches and ratchets, including cordless, corded, and pneumatic tools. For buyers, that means you should match it to your existing 3/4-inch drive platform and not confuse it with smaller 1/2-inch drive setups. If you need a metric deep impact socket set for serious fastener work and want readable markings, durable construction, and a clean size spread, this set makes a lot of sense.

Milwaukee SHOCKWAVE Impact Duty 3/4 Inch Drive 6 Point Socket Set for Big Fasteners and No Nonsense Service Work

This is a smart buy for anyone who needs a focused set of large metric deep impact sockets that are easy to read, built for torque, and not padded with throwaway sizes.

• Who it's for: Techs, mechanics, industrial crews, and contractors working with large metric hardware on equipment, structural assemblies, and heavy-duty service jobs.
• Why it stands out: The forged steel build, 6-point fit, readable stamped markings, and useful 26 mm to 38 mm range make it a practical working set instead of a shelf set.
• Worth knowing: This is a 3/4-inch drive set, so make sure your impact wrench or ratchet matches the drive size before you buy.

• Is this a metric or SAE socket set? This set uses metric sizes.
• Are these deep sockets? Yes. Milwaukee identifies the set as a deep 6-point socket set.
• What drive size does this set use? It is a 3/4-inch drive socket set.
• What size range does it cover? The included socket sizes are 26 mm, 27 mm, 29 mm, 30 mm, 32 mm, 35 mm, 36 mm, and 38 mm.
• Does it come with a warranty? Milwaukee lists a Lifetime Guarantee for the impact sockets and extensions.