The best metric socket sets make routine repairs faster by giving you the right sizes, drive tools, and socket profiles in one organized kit. The options below range from compact 3/8-inch sets to large mechanic’s assortments and 1/2-inch impact collections.
Whether you work on cars, equipment, or household projects, compare coverage, construction, and included accessories before choosing a set that fits your tools and typical jobs.
Best 10 Metric Socket Sets Picks for 2026
Versatile Metric Socket Set
- 6–19 mm deep and shallow metric sockets
- Mixed SAE sizes and useful adapters
- 72-tooth ratchet with storage case
Best For: DIYers needing broad 3/8-inch-drive coverage
Complete Mechanic's Kit
Amazon Basics 201-Piece Socket Set
- 201 pieces for varied repair tasks
- 1/4-, 3/8-, and 1/2-inch drives
- Metric and SAE sizes in a storage case
Best For: Home garages building a broad tool collection
Heavy-Duty Metric Range
CASOMAN 14-Piece 1/2-Inch Impact Set
- 14 metric sizes from 11–32 mm
- 1/2-inch drive for impact applications
- 6-point, heat-treated Cr-V construction
Best For: Automotive and industrial work with larger fasteners
Precision 3/8-Inch Set
TEKTON 42-Piece Metric Socket Kit
- 6–24 mm shallow and deep sockets
- 6-point openings with stamped markings
- Ratchet, extensions, joint, and case included
Best For: Automotive users wanting complete 3/8-inch metric coverage
Best Heavy-Duty Metric Coverage
boen 45-Piece 1/2-Inch Impact Set
- 9mm-32mm deep and shallow sockets
- CR-V impact construction with corrosion-resistant coating
- Includes extensions, universal joint, and adapter
Best For: Automotive repairs and larger metric fasteners
Best Versatile Mixed-Size Kit
VEVOR 64-Piece 3/8-Inch Impact Set
- Metric 6-24mm plus SAE 5/16-inch-1-inch sizes
- Includes ratchet, extensions, joint, and adapters
- 6-point CR-V sockets with black phosphate finish
Best For: Mixed metric and SAE automotive or workshop use
Best Compact Standard-and-Metric Set
- Deep and shallow metric sockets from 8mm to 22mm
- Includes common SAE sizes and drive accessories
- Heat-treated CR-V steel with black phosphate finish
Best For: Routine mixed-size automotive and repair work
Compact Impact Pick
CASOMAN 27-Piece Metric Socket Set
- 3/8-inch-drive deep and shallow sockets from 7mm to 19mm
- CR-V steel with black phosphate finish
- Includes impact adapter and storage case
Best For: DIYers needing a focused metric impact set
Versatile Mixed-Size Set
AMM 48-Piece Impact Socket Set
- Metric 8–22mm and SAE 5/16–3/4-inch coverage
- Deep and shallow sockets with extensions and universal joint
- CR-V construction with black phosphate finish
Best For: Users handling both metric and SAE repairs
Large Workshop Kit
NEIKO 65-Piece Master Impact Set
- 1/2-inch-drive metric and SAE deep/shallow coverage
- Metric sizes from 10mm to 24mm
- Includes ratchet, extensions, adapters, and case
Best For: Workshops needing broad high-torque coverage
Versatile Metric Socket Set – EACELIY 64-Piece 3/8-Inch Set
For shoppers comparing metric socket sets, the EACELIY 64-piece kit offers 3/8-inch-drive coverage from 6–19 mm, with both deep and shallow sockets. It also adds SAE sizes, extensions, adapters, and a 72-tooth ratchet for general repairs and automotive work.
Best For: DIYers who want a mixed metric and SAE set with deep and shallow socket coverage.
Pros:
- Includes 38 deep and shallow metric sockets from 6–19 mm.
- 6-point chrome-vanadium sockets and laser-printed size markings support accurate selection.
- Includes a 72-tooth ratchet, extensions, impact adapters, bit adapter, and storage case.
Cons:
- The metric range stops at 19 mm.
- It uses a 3/8-inch drive, which may be less suitable for very large fasteners.
This is a practical all-around option when versatility and organized storage matter more than maximum size or specialized heavy-duty coverage.
Complete Mechanic's Kit – Amazon Basics 201-Piece Socket Set
The Amazon Basics 201-piece kit is a broad choice for shoppers seeking metric socket sets alongside SAE sizes and general mechanic’s tools. It includes 1/4-, 3/8-, and 1/2-inch sockets, hex keys, and screwdriver bits in a portable case.
Best For: Home garages and new tool collections that need extensive mixed-size coverage.
Pros:
- Large 201-piece assortment covers multiple fastener types and sizes.
- Includes metric and SAE sockets across three drive sizes.
- Chrome-vanadium construction and polished chrome finish provide durability and corrosion protection.
Cons:
- The large kit weighs 16.5 pounds.
- The supplied notes do not specify the exact metric socket range.
Choose this set if you want one substantial, portable collection rather than a compact metric-only kit, especially when varied household and automotive tasks are likely.
Heavy-Duty Metric Range – CASOMAN 14-Piece 1/2-Inch Impact Set
CASOMAN 14 Pieces 1/2-Inch Drive Shallow Impact Socket Set, Metric, 6-Point, 11mm to 32mm
Check Price On AmazonAmong metric socket sets, the CASOMAN 14-piece kit focuses on larger fasteners and impact applications. Its 1/2-inch-drive shallow sockets cover 11–32 mm, making it a targeted choice for automotive, construction, and industrial tasks.
Best For: Users handling larger metric fasteners with a 1/2-inch impact-compatible drive.
Pros:
- Covers 14 useful metric sizes from 11 to 32 mm.
- Drop-forged, heat-treated chrome-vanadium steel is finished with black phosphate for corrosion resistance.
- 6-point design helps grip fastener flats and reduce corner rounding.
Cons:
- Only shallow sockets are included.
- It does not include a ratchet, extensions, or storage case in the supplied contents.
This set makes sense as a focused complement to an existing tool collection when large metric sizes and impact-oriented work are the priority.
Precision 3/8-Inch Set – TEKTON 42-Piece Metric Socket Kit
TEKTON 3/8 Inch Drive 6-Point Socket and Ratchet Set, 42-Piece (6-24 mm) | SKT15201
Check Price On AmazonThe TEKTON 42-piece set is a strong pick for shoppers who want metric socket sets with complete 3/8-inch coverage from 6–24 mm. It includes matching shallow and deep 6-point sockets, a quick-release ratchet, extensions, and a universal joint.
Best For: Automotive and workshop users who want a dedicated, evenly graduated metric 3/8-inch set.
Pros:
- Includes shallow and deep sockets for every listed size from 6–24 mm.
- 6-point openings and radiused corners help apply force to fastener flats.
- Includes an 8-inch quick-release ratchet, two extensions, universal joint, and carrying case.
Cons:
- It is metric-only, with no SAE sizes listed.
- The 3/8-inch drive is less suited to the largest or highest-torque fasteners.
For a dedicated metric setup, this balanced kit offers unusually consistent size coverage and useful access accessories without the extra assortment of a mixed mechanic’s set.
Best Heavy-Duty Metric Coverage – boen 45-Piece 1/2-Inch Impact Set
For automotive work and demanding repairs, this metric socket set combines 1/2-inch-drive deep and shallow impact sockets with useful extensions and adapters. Its 9mm-to-32mm range covers common fastener sizes, while the 6-point design is suited to lug nuts and hex fasteners.
Best For: Automotive repairs, lug-nut removal, and DIY users who want broad metric coverage in a 1/2-inch impact set.
Pros:
- Includes deep and shallow sockets from 9mm through 32mm.
- Heat-treated CR-V steel and black manganese phosphate coating support durability and corrosion resistance.
- Comes with three extension bars, a universal joint, and a 3/8-inch-to-1/2-inch adapter.
- Laser and stamped size markings make identification easier.
Cons:
- Uses a 1/2-inch drive, which may be less convenient for smaller, tighter fasteners.
- The metric range starts at 9mm, so smaller sizes are not included.
This is a practical choice among metric socket sets when high torque, larger fasteners, and reach are priorities. The included adapters also add flexibility for selected 3/8-inch-drive applications.
Best Versatile Mixed-Size Kit – VEVOR 64-Piece 3/8-Inch Impact Set
This metric socket set is especially flexible for garages and workshops because it pairs metric sizes from 6mm to 24mm with SAE coverage in the same case. The 3/8-inch drive, ratchet handle, extensions, universal joint, and adapters make it a ready-to-use option for automotive and industrial tasks.
Best For: Users who need both metric and SAE sockets, along with a ratchet and accessories, in one organized kit.
Pros:
- Includes 20 metric sizes from 6mm to 24mm in deep and shallow formats.
- Also provides SAE deep and shallow sockets from 5/16 inch to 1 inch.
- Includes a 3/8-inch-drive ratchet, extension bars, universal joint, and adapters.
- 6-point CR-V sockets and black phosphate finish are designed for torque and corrosion resistance.
Cons:
- Its 3/8-inch drive is not as large as the 1/2-inch drive used for heavier-duty applications.
- The 11-pound kit may be less convenient to carry than a smaller socket set.
With its unusually broad combination of metric and SAE sizes, this VEVOR kit can reduce the need to switch between sets. It is a strong all-around pick when versatility and included accessories matter more than a compact footprint.
Best Compact Standard-and-Metric Set – CASOMAN 49-Piece 3/8-Inch Kit
For everyday automotive, construction, and industrial work, this metric socket set offers matching deep and shallow sockets in common 8mm-to-22mm sizes. It also includes SAE sockets and several drive accessories, making the 3/8-inch kit useful when a compact mixed-size setup is preferred.
Best For: General-purpose repairs that require common metric and SAE sizes with both deep and shallow socket options.
Pros:
- Provides deep and shallow metric sockets from 8mm to 22mm.
- Includes matching SAE coverage from 5/16 inch to 3/4 inch.
- Drop-forged, heat-treated CR-V steel has a corrosion-resistant black phosphate finish.
- Includes 3-inch and 6-inch extensions, a universal joint, reducer, and carrying case.
Cons:
- The metric selection omits 20mm and covers a narrower range than some larger sets.
- It does not include a ratchet handle.
This CASOMAN set balances useful coverage and portability, especially for users who work with both measurement systems. Its clearly marked deep and shallow sockets are convenient for routine repairs, while the included case keeps the pieces organized.
Compact Impact Pick – CASOMAN 27-Piece Metric Socket Set
For shoppers seeking metric socket sets for general automotive or maintenance work, this CASOMAN kit offers a focused 3/8-inch-drive selection from 7mm to 19mm. It includes both deep and shallow impact sockets, making it a practical choice when you want common metric coverage without a large mixed-measurement case.
Best For: DIYers and technicians who need a compact metric impact set with an impact-driver adapter.
Pros:
- Includes 26 deep and shallow 6-point sockets covering 7mm through 19mm.
- Chrome-vanadium steel with a black phosphate finish is designed for durability and corrosion resistance.
- High-visibility markings and a blow-molded storage case support quick identification and organized storage.
Cons:
- The set uses a 3/8-inch drive, so it is not intended for larger 1/2-inch-drive applications.
- It provides metric sizes only and does not include a ratchet handle or extension bars.
This is a straightforward option when your priority is common metric coverage in both deep and shallow formats. Its limited size range and included adapter keep the kit portable, while the impact-rated construction suits compatible impact tools.
Versatile Mixed-Size Set – AMM 48-Piece Impact Socket Set
This AMM kit stands out among metric socket sets by combining metric and SAE coverage in one 3/8-inch-drive case. With deep and shallow sockets, extension bars, a universal joint, and an adapter, it is built for users who want broader flexibility for automotive repairs, equipment maintenance, and household projects.
Best For: Home mechanics and general-purpose users who regularly switch between metric and SAE fasteners.
Pros:
- Includes 28 metric sockets from 8mm to 22mm in both deep and shallow profiles.
- Adds 20 SAE sockets, two extension bars, a universal joint, and a reducer adapter.
- Drop-forged CR-V steel, black phosphate finishing, laser markings, and a storage case support frequent use.
Cons:
- The set skips 20mm in its listed metric size sequence.
- Its 3/8-inch drive may be less suitable for very high-torque jobs than a 1/2-inch-drive set.
Choose this set if versatility matters more than a strictly metric lineup. Its combination of measurement systems and included accessories reduces the need to buy separate pieces, while the 3/8-inch format remains manageable for everyday repair work.
Large Workshop Kit – NEIKO 65-Piece Master Impact Set
For demanding workshop coverage, the NEIKO 02448A is one of the more comprehensive metric socket sets in this roundup. Its 1/2-inch drive, deep and shallow metric sockets from 10mm to 24mm, matching SAE range, extensions, ratchet handle, and adapters make it suited to larger automotive and maintenance tasks.
Best For: Automotive users and workshops that want broad 1/2-inch-drive coverage in a single organized case.
Pros:
- Provides 29 metric sockets in deep and shallow formats from 10mm through 24mm.
- Includes 29 SAE sockets, three extension bars, a 72-tooth ratchet handle, universal joint, and adapters.
- Drop-forged CR-V construction, 6-point profiles, dual markings, and a labeled blow-molded case support heavy-use organization.
Cons:
- The larger 1/2-inch-drive format is less compact than a 3/8-inch set for small fasteners.
- Metric coverage starts at 10mm, so smaller metric sizes are not included.
This is the strongest choice here for users who need a complete mixed-measurement workshop kit and the leverage of a 1/2-inch drive. It costs more space to carry, but the included ratchet, extensions, and adapters make it a more self-contained solution.
How We Picked the Best Metric Socket Sets
We compared these sets on the factors that matter most during real-world repairs: metric size coverage, drive size, shallow and deep socket availability, six-point fit, impact compatibility, material, ratchet and extension accessories, and case portability. We also considered whether each kit is better suited to routine hand-tool work, high-torque automotive jobs, or a mix of SAE and metric fasteners.
Because product ranges vary substantially, a larger piece count does not automatically mean a better choice. The most useful set is the one that covers your common fasteners without adding unnecessary duplicates or incompatible accessories.
Quick Comparison
| Best For | What to Look For | Typical Pick |
|---|---|---|
| General home and garage use | 3/8-inch drive, broad metric range, ratchet, extensions | Compact mixed or metric kit |
| Automotive repairs | Deep and shallow sockets, six-point engagement, sturdy case | 3/8-inch or 1/2-inch impact set |
| Lug nuts and high torque | 1/2-inch drive, impact-rated Cr-V sockets, larger sizes | Deep impact socket set |
| Mixed fasteners | Both SAE and metric sizes with organized storage | Master mechanic’s set |
Key Buying Factors for Metric Socket Sets
Size Range and Coverage
Check the smallest and largest metric sizes included, then look for gaps in the middle. Sets covering approximately 8–22 mm work well for many household and automotive tasks, while 1/2-inch kits extending to 32 mm are more useful for suspension, axles, and larger fasteners.
Drive Size and Socket Depth
A 3/8-inch drive offers a useful balance of access and torque for everyday work. Choose 1/2-inch drive when you regularly handle lug nuts or heavily tightened fasteners. Deep sockets reach recessed nuts, while shallow sockets are often easier to use in confined spaces.
Construction and Safety
Six-point sockets place force on the flats rather than the corners, helping reduce rounding. Chrome-vanadium steel is common for general use; impact-rated sockets should be used with impact tools. Do not use ordinary chrome sockets on an impact wrench unless the manufacturer specifically permits it.
Included Tools and Storage
A ratchet, extensions, adapters, and universal joints can add considerable value, but verify that the included drive sizes match your existing tools. A latching case with labeled locations makes it easier to spot missing sockets and keep the set portable.
Who Should Buy Which Metric Socket Sets?
Choose a compact 3/8-inch set for home maintenance, light automotive work, and users who already own larger drives. Choose a deep-and-shallow impact kit if you use an impact wrench or frequently work on vehicles. Choose a 1/2-inch metric set for lug nuts, chassis work, and larger fasteners that demand more torque. Choose a large mixed SAE/metric mechanic’s set if you want one case for varied equipment and do not want to buy missing sizes separately.
Before ordering, confirm the metric range, drive size, impact rating, and whether the case includes every accessory shown in the listing. Those details matter more than the headline piece count.