The best metric socket sets make routine repairs faster by putting the right sizes, drive options, and socket styles within reach. This roundup compares 10 options ranging from compact metric kits to large mechanic’s sets with SAE sizes, ratchets, extensions, and impact sockets.
Whether you are servicing a vehicle, assembling equipment, or building a dependable home tool collection, use the guide below to match socket coverage and construction to your workload.
Best 10 Metric Socket Sets Picks for 2026
Best Comprehensive Set
DEWALT 192-Piece Mechanics Tool Set
- 192 pieces with three drive sizes
- Metric standard and deep 6-point sockets
- Hard case and limited lifetime warranty
Best For: Mechanics and serious DIYers needing broad SAE and metric coverage
Best for Impact Work
VEVOR 64-Piece 3/8-Inch Impact Socket Set
- Metric 6–24 mm deep and shallow sockets
- CR-V steel with black phosphate finish
- Includes ratchet, extensions, and adapters
Best For: Automotive and industrial impact-tool users
Best Large Budget Assortment
Amazon Basics 201-Piece Socket Tool Set
- 201 pieces with 1/4-, 3/8-, and 1/2-inch drives
- SAE and metric sockets plus bits and hex keys
- Portable case with polished chrome finish
Best For: DIY users wanting broad workshop coverage
Best Compact Metric Set
WORKPRO 32-Piece 3/8-Inch Socket Set
- Standard and deep sockets from 6–20 mm
- 72-tooth quick-release ratchet
- Magnetic organizer included
Best For: DIY and automotive users needing common metric sizes
Best High-Torque Range
45-Piece Metric Impact Socket Set
- 9mm–32mm deep and shallow coverage
- Includes extensions, universal joint, and adapter
- CR-V steel with corrosion-resistant coating
Best For: Automotive repairs and broad metric coverage
Best Mixed-Size Pick
DEWALT 23-Piece Metric/SAE Impact Set
- Combines metric and SAE sockets
- Includes ratchet, extension, and drill adapter
- 6-point impact sockets with laser markings
Best For: Automotive work involving metric and SAE fasteners
Best Compact 3/8-Inch Set
- Deep and shallow 7mm–19mm sockets
- 6-point CR-V impact sockets
- Includes case and drill adapter
Best For: Compact general-purpose repair kits
Most Versatile Kit
3/8-Inch Drive 50-Piece Impact Set
- Shallow and deep metric and SAE sockets
- Includes extensions, reducer, joint, and ratchet
- 6-point Cr-V sockets with organized case
Best For: DIYers and mechanics needing broad mixed-size coverage
Heavy-Duty Metric Pick
- 14 shallow sockets from 11mm to 32mm
- Drop-forged, heat-treated Cr-V steel
- 6-point design with laser-etched markings
Best For: Large-fastener work with an existing 1/2-inch drive
Best Complete 3/8-Inch Set
- Shallow and deep metric sizes from 8mm to 22mm
- Includes SAE sizes, extensions, joint, and adapters
- Cr-V construction with 6-point impact sockets
Best For: Users wanting extensive 3/8-inch drive coverage
Best Comprehensive Set – DEWALT 192-Piece Mechanics Tool Set
For shoppers comparing metric socket sets, the DEWALT DWMT75049 stands out with broad size coverage, three drive sizes, and both standard and deep metric sockets. Its chrome vanadium construction, 6-point design, and hard-shell case make it a versatile choice for automotive work, repairs, and general maintenance.
Best For: Mechanics, serious DIYers, and buyers who want one extensive SAE-and-metric kit.
Pros:
- 192-piece assortment includes 1/4-, 3/8-, and 1/2-inch drive tools.
- Includes metric standard and deep 6-point sockets.
- DirectTorque design helps improve fastener grip and reduce rounding.
- Hard-shell case, stamped sizing, and limited lifetime warranty add convenience.
Cons:
- The large assortment weighs 16.8 kg, so it is less convenient for lightweight carry.
- Its extensive selection may be more than needed for occasional household tasks.
This is a strong all-around option when coverage and organization matter more than compactness. The multiple drive sizes and included accessories provide flexibility for varied repair jobs.
Best for Impact Work – VEVOR 64-Piece 3/8-Inch Impact Socket Set
Among metric socket sets designed for high-torque jobs, the VEVOR 64-piece kit focuses on 3/8-inch-drive impact use. It combines metric and SAE deep and shallow sockets with CR-V steel, a black phosphate finish, and accessories for automotive and industrial repairs.
Best For: Automotive and industrial users who need metric sockets for impact-driver or impact-wrench applications.
Pros:
- Includes metric sizes from 6 to 24 mm in both deep and shallow styles.
- Heat-treated CR-V steel and black phosphate finish are suited to demanding use.
- 6-point sockets help maintain contact and reduce corner rounding.
- Carrying case, extensions, universal joint, ratchet, and adapters are included.
Cons:
- It is centered on a 3/8-inch drive rather than offering multiple drive sizes.
- The 11-pound kit is less compact than a small everyday socket selection.
Choose this set when impact compatibility and deep-socket coverage are priorities. Its combination of metric range and included accessories makes it practical for mobile repair work.
Best Large Budget Assortment – Amazon Basics 201-Piece Socket Tool Set
The Amazon Basics 201-piece set is a practical option for shoppers who want metric socket sets with extensive overall coverage. It includes 1/4-, 3/8-, and 1/2-inch sockets, SAE and metric sizes, hex keys, and screwdriver bits in a portable case.
Best For: Home workshops and DIY users who want a broad, organized collection for varied fastening tasks.
Pros:
- Large 201-piece assortment covers multiple drive sizes and fastener types.
- Includes both metric and SAE sockets, plus hex keys and screwdriver bits.
- Chrome vanadium steel construction supports strength and durability.
- Polished chrome plating helps protect against corrosion, while the case aids portability.
Cons:
- The broad assortment may be unnecessary for users seeking only metric sockets.
- The supplied notes do not specify individual metric size ranges.
This set makes sense for buyers who value quantity and variety in one case. It is especially useful when household, workshop, and automotive tasks may require different tools.
Best Compact Metric Set – WORKPRO 32-Piece 3/8-Inch Socket Set
For buyers seeking focused metric socket sets, the WORKPRO 32-piece kit offers 3/8-inch-drive sockets from 6 to 20 mm. It includes 15 standard and 15 deep sockets, a 72-tooth quick-release ratchet, and a magnetic organizer for accessible storage.
Best For: DIYers and auto-repair users who want a dedicated, organized metric set for common sizes.
Pros:
- Provides standard and deep metric sockets from 6 to 20 mm.
- 72-tooth ratchet operates with a five-degree swing arc.
- Magnetic organizer keeps sockets arranged and can mount in a drawer or toolbox.
- Chrome vanadium steel and mirror chrome finish support durability and corrosion resistance.
Cons:
- Its size range stops at 20 mm, so it may not cover larger fasteners.
- It uses only a 3/8-inch drive and does not include SAE sockets.
This is a convenient pick when a compact metric-only setup is more useful than a large mixed assortment. The deep and standard sockets, quick-release ratchet, and magnetic holder make everyday access straightforward.
Best High-Torque Range – 45-Piece Metric Impact Socket Set
For shoppers comparing metric socket sets for automotive work and general repairs, the boen 45-piece kit offers broad 1/2-inch-drive coverage from 9mm to 32mm. It combines deep and shallow impact sockets with extensions, a universal joint, and an adapter for added reach and compatibility.
Best For: DIYers, automotive repairs, lug-nut removal, and users who want a wide metric size range.
Pros:
- Includes deep and shallow sockets covering 9mm–32mm.
- Heat-treated CR-V construction and black manganese phosphate coating support durability and corrosion resistance.
- Includes three extensions, an impact universal joint, and a 3/8-inch-to-1/2-inch adapter.
- Laser and stamped size markings make sockets easier to identify.
Cons:
- Uses a 1/2-inch drive, which may be larger than needed for lighter-duty tasks.
- The set is focused on metric sizes and does not include SAE sockets.
This is a particularly versatile choice among metric socket sets if you need substantial size coverage and accessories for reaching recessed fasteners. Its 1/2-inch impact-ready format is best suited to demanding automotive and repair applications.
Best Mixed-Size Pick – DEWALT 23-Piece Metric/SAE Impact Set
DEWALT Impact Socket Set with Ratchet, Metric/SAE, 1/2" Drive, 23-Piece Set with Case (DWMT74739)
Check Price On AmazonThe DEWALT DWMT74739 is a practical option for buyers who want metric socket sets with SAE sizes included. This 1/2-inch-drive kit pairs 6-point impact sockets with a quick-release ratchet, a 5-inch extension, and a drill adapter in a storage case.
Best For: Automotive users who regularly work with both metric and SAE fasteners.
Pros:
- Includes 20 sockets spanning SAE 7/16-inch–1 inch and metric 13mm–24mm.
- DirectTorque technology is designed to help prevent fastener rounding and improve grip.
- Includes a 1/2-inch quick-release ratchet, extension, and drill adapter.
- Laser-etched markings support quick size identification.
Cons:
- Has fewer total pieces than the other featured sets.
- Metric coverage starts at 13mm and ends at 24mm, leaving out smaller and larger metric sizes.
Choose this DEWALT set when versatility between metric and SAE work matters more than maximum socket count. Its included ratchet and mixed-size selection make it a convenient general automotive kit.
Best Compact 3/8-Inch Set – CASOMAN 27-Piece Metric Kit
For lighter and more compact repair setups, the CASOMAN 27-piece kit is one of the more manageable metric socket sets to consider. It provides deep and shallow 3/8-inch-drive impact sockets from 7mm to 19mm, plus a drill socket adapter and blow-molded storage case.
Best For: General-purpose repairs, compact tool storage, and fasteners in the 7mm–19mm range.
Pros:
- Includes both deep and shallow sockets in every listed size from 7mm through 19mm.
- 6-point design grips fasteners on the flats and is intended to help prevent corner rounding.
- CR-V steel with a black phosphate finish supports hard use and corrosion resistance.
- High-contrast laser markings and hard-stamped labels aid identification.
Cons:
- 3/8-inch drive and 7mm–19mm range are less suited to very large fasteners.
- Includes a drill adapter but not a ratchet or extension.
This CASOMAN set makes sense when portability and mid-range metric coverage are priorities. Its deep-and-shallow format is useful for general repairs, while the 3/8-inch drive keeps the kit more compact than larger 1/2-inch options.
Most Versatile Kit – 3/8-Inch Drive 50-Piece Impact Set
If you want metric socket sets with broad coverage for general repairs, this 50-piece impact set combines shallow and deep sockets in metric and SAE sizes. Its 3/8-inch drive format, adapters, extensions, and included ratchet handle make it a flexible choice for automotive work, equipment maintenance, and garage projects.
Best For: DIYers and mechanics who want one mixed-size kit for varied repair tasks.
Pros:
- Includes metric sizes from 8mm to 22mm plus common SAE sizes, with both shallow and deep options.
- Chrome vanadium steel construction and black phosphating provide durability and corrosion resistance.
- Includes a universal joint, extension bars, reducer, ratchet handle, and hex shank adapter.
- High-contrast markings and a storage case make size selection and organization easier.
Cons:
- The large 50-piece kit weighs about 5.2 kg, so it is less portable than a compact set.
- Its broad SAE and metric mix may include pieces you do not need for metric-only work.
Choose this set when versatility matters more than keeping the kit minimal. The 6-point socket design and combination of accessories give it useful reach and coverage for demanding general-purpose jobs.
Heavy-Duty Metric Pick – 1/2-Inch Drive 14-Piece Set
CASOMAN 14 Pieces 1/2-Inch Drive Shallow Impact Socket Set, Metric, 6-Point, 11mm to 32mm
Check Price On AmazonFor metric socket sets focused on larger fasteners, this CASOMAN kit provides 14 shallow 1/2-inch drive impact sockets from 11mm through 32mm. The compact range emphasizes durable construction, clear size markings, and a 6-point profile for automotive, construction, and industrial applications.
Best For: Users who already have a 1/2-inch drive setup and need a dedicated large-size metric impact socket selection.
Pros:
- Covers useful larger metric sizes from 11mm to 32mm.
- Drop-forged, heat-treated chrome vanadium steel is finished with corrosion-resistant black phosphate.
- 6-point flank-drive design grips the flat sides of fasteners to help prevent rounding.
- Permanent laser-etched markings support quick size identification.
Cons:
- Only shallow sockets are included.
- The set does not include a ratchet, extensions, or other drive accessories.
- Its 1/2-inch drive limits compatibility with smaller-drive tools.
This is a focused option rather than an all-in-one kit. It makes sense for heavier-duty work where the 11mm-to-32mm range and 1/2-inch drive match your existing equipment.
Best Complete 3/8-Inch Set – CASOMAN 49-Piece Impact Kit
This CASOMAN set is one of the more comprehensive metric socket sets for a 3/8-inch drive, supplying matching shallow and deep metric sizes from 8mm to 22mm. It also adds SAE coverage, extensions, a universal joint, reducers, and a carrying case for everyday automotive, construction, and industrial work.
Best For: Mechanics and DIY users who want extensive 3/8-inch drive coverage in both shallow and deep formats.
Pros:
- Includes shallow and deep metric sockets from 8mm to 22mm.
- Also provides matching SAE coverage from 5/16 inch to 3/4 inch.
- Includes 3-inch and 6-inch extensions, a universal joint, reducers, and an adapter.
- Chrome vanadium steel, black phosphate finish, and 6-point profiles suit impact use.
Cons:
- The 49-piece case weighs about 4.16 kg, making it less convenient for lightweight carry.
- The set does not include a ratchet handle.
- Its mixed SAE and metric contents may be more extensive than necessary for metric-only users.
Consider this kit when socket depth and size coverage are priorities. Its paired shallow and deep metric selection is especially useful for varied fastener access, while the included accessories expand the usefulness of the 3/8-inch drive platform.
How We Picked the Best Metric Socket Sets
We evaluated these Metric Socket Sets by looking at size coverage, drive compatibility, shallow and deep socket availability, six-point fit, impact readiness, included accessories, portability, and likely use case. We also separated general mechanic’s kits from dedicated impact-socket sets, since they serve different jobs. A large piece count is useful only when it includes the sizes and tools you actually need.
Quick Comparison
| Best For | Recommended Type | What to Look For |
|---|---|---|
| General home repairs | Mixed mechanic’s set | Metric and SAE sizes, ratchets, extensions, and case organization |
| Automotive impact work | Impact socket set | Black impact-rated sockets, six-point walls, and the correct drive size |
| Wheel and suspension jobs | 1/2-inch impact set | Deep sockets, larger sizes, and strong lug-nut coverage |
| Compact tool storage | Small 3/8-inch metric set | Common sizes, shallow and deep options, and a portable case |
Key Buying Factors for Metric Socket Sets
Size Range and Coverage
Check whether the set covers the sizes used by your vehicle, equipment, or fasteners. Small kits commonly focus on roughly 7mm to 19mm, while larger automotive sets may extend into the 20mm range and beyond. If you work on both imported and domestic equipment, a metric-and-SAE kit can reduce the need for a second purchase.
Drive Size
3/8-inch drives are versatile for engine-bay work, household repairs, and medium-duty fasteners. A 1/2-inch drive offers more leverage for lug nuts and stubborn suspension hardware. Some kits include adapters, but an adapter does not turn a small ratchet into a heavy-duty tool.
Socket Construction
Six-point sockets grip the flat sides of a fastener and are generally preferable for high-torque work. Chrome-vanadium sockets suit hand tools, while impact sockets should be used with impact-rated tools. Do not use chrome hand sockets on an impact wrench unless the manufacturer specifically permits it.
Deep, Shallow, and Impact Options
Shallow sockets fit confined spaces, whereas deep sockets reach threaded studs and recessed nuts. Impact sets are typically thicker and designed to withstand powered tools. Confirm whether extensions, universal joints, adapters, and a ratchet are included rather than assuming they come with every socket assortment.
Case and Organization
A labeled hard case helps preserve size order and makes missing pieces obvious. Consider the case footprint, latch quality, storage for accessories, and whether sockets remain secured when the case is moved.
Who Should Buy Which Metric Socket Sets?
Choose a large mixed mechanic’s set if you want one kit for household maintenance, automotive repairs, and both metric and SAE fasteners. Pick a compact 3/8-inch metric set for basic maintenance, tight spaces, and easy storage. Choose a dedicated 1/2-inch impact set if your main tasks involve wheels, suspension, or high-torque fasteners. For frequent professional-style work, prioritize durable impact sockets, broad size coverage, and a case that keeps the set organized over a headline piece count.