The Genius Tools TG-312M 12 Piece 3/8" Drive Metric Swivel Impact Socket Set is designed for professional applications where impact strength, manoeuvrability and restricted-access capability are essential.
Combining an impact-rated socket design with an integrated flexible swivel joint, these sockets allow improved access to nuts and bolts positioned at difficult angles or behind surrounding components where a conventional straight impact socket may be difficult to use.
The 3/8" square drive format makes the set particularly well suited to automotive servicing, mechanical engineering, machinery maintenance and other professional workshop applications where compact impact tooling is required.
The set provides a complete consecutive metric size range from 8mm through to 19mm, giving technicians 12 commonly used sizes without gaps.
Each socket is engineered to withstand the high torque and repeated loading associated with compatible impact tools, while the swivel design provides additional freedom of movement when working in confined areas.
For applications requiring additional reach, a matching TG-312MD Deep Swivel Impact Socket Set is also available separately.
Key Features
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Genuine Genius Tools professional impact socket set
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Genius Tools part number: TG-312M
- 12-piece metric set
- 3/8" square drive
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Sizes from 8mm to 19mm
- Complete consecutive metric size range
- Integrated flexi / swivel socket design
- Improved access to angled and restricted fasteners
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Designed specifically for impact tool applications
- Suitable for compatible pneumatic impact tools
- Suitable for compatible cordless impact wrenches
- Designed to withstand high-torque impact applications
- Professional-quality construction
- Compact profile for restricted-access work
- Suitable for automotive, mechanical and industrial applications
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Matching TG-312MD deep-profile version available separately
12 Metric Swivel Impact Sockets Included
The TG-312M contains:
- 8mm
- 9mm
- 10mm
- 11mm
- 12mm
- 13mm
- 14mm
- 15mm
- 16mm
- 17mm
- 18mm
- 19mm
This provides 12 consecutive metric sizes from 8mm through to 19mm, covering a useful selection of commonly encountered automotive and mechanical fasteners.
Flexible Swivel Impact Design
Unlike a conventional straight impact socket, each TG-312M socket incorporates a flexible swivel joint between the square drive and socket body.
This allows the socket to operate at an angle relative to the impact wrench, providing additional manoeuvrability when direct straight-line access to the fastener is restricted.
The swivel configuration can be particularly useful when working around:
- Engine components
- Engine bays
- Gearboxes and transmissions
- Suspension assemblies
- Brake components
- Chassis assemblies
- Machinery
- Agricultural equipment
- Plant equipment
- Industrial installations
The design allows technicians to approach fasteners from alternative angles where surrounding components prevent direct access.
Designed for Impact Tools
The TG-312M sockets are specifically designed for impact applications.
They are suitable for use with compatible equipment including:
- Pneumatic air impact wrenches
- Cordless impact wrenches
- Other compatible 3/8" drive impact equipment
Impact sockets are engineered to withstand the repeated loading generated by powered impact tools, making this set suitable for demanding professional workshop applications.
Always ensure the impact wrench, socket and application are appropriately matched before use.
3/8" Square Drive
The complete set uses a 3/8" square drive, providing a useful balance between compact dimensions and professional fastening capability.
The 3/8" format is particularly well suited to automotive and mechanical applications where access is restricted and the bulk of a larger drive system may be undesirable.
Combined with the swivel mechanism, the compact 3/8" drive format makes the TG-312M especially useful for difficult-access fastening work.
Improved Access in Confined Areas
The principal advantage of the TG-312M set is the ability to combine powered impact operation with angled socket access.
When a conventional impact socket cannot be aligned directly with the fastener, the integrated swivel joint provides additional flexibility.
This can help reduce the need for separate universal joints and socket combinations in suitable applications, providing a compact integrated solution for restricted-access work.
Standard Profile Swivel Sockets
The TG-312M is the standard-profile version of the Genius Tools 3/8" drive swivel impact socket range.
Its compact socket profile is particularly useful where available space around the fastener is limited.
For applications involving recessed nuts, longer studs or fasteners positioned deeper within an assembly, the corresponding Genius Tools TG-312MD Deep Swivel Impact Socket Set is available separately.
Deep TG-312MD Version Also Available
For technicians requiring additional socket depth, Genius Tools also offers the TG-312MD 12 Piece 3/8" Drive Deep Swivel Impact Socket Set.
The matching deep-profile set also covers:
8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18 and 19mm
The two sets provide a choice between:
- TG-312M – Standard-profile swivel impact sockets
- TG-312MD – Deep-profile swivel impact sockets
This allows technicians to select the socket depth best suited to the particular fastener and working environment.
Professional Applications
The Genius Tools TG-312M is particularly suitable for:
- Automotive servicing and repair
- Engine bay work
- Gearbox and transmission servicing
- Brake and suspension repairs
- Vehicle maintenance
- Mechanical engineering
- Machinery servicing
- Industrial maintenance
- Agricultural machinery
- Plant and construction equipment
- Fleet maintenance
- Professional garages
- Engineering workshops
- Mobile mechanics
- Restricted-access impact fastening
Technical Specifications
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Brand: Genius Tools
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Part number: TG-312M
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Product type: Swivel / Flexi Impact Socket Set
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Number of pieces: 12
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Drive size: 3/8" square drive
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Measurement system: Metric
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Size range: 8-19mm
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Sizes included: 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18 and 19mm
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Profile: Standard depth
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Socket design: Integrated swivel / flexi
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Tool type: Impact sockets
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Application: Professional automotive, mechanical and industrial use
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Deep-profile alternative: TG-312MD – available separately
Genius Tools
Genius Tools is a Canadian professional tool brand with an established presence in the North American automotive and industrial hand-tool markets.
The company produces a broad range of professional hand tools, sockets, drive tools and specialist equipment intended for automotive, engineering, industrial and maintenance applications.
The Genius Tools range is also available within the UK and European professional tool markets.
Genius Tools Warranty
Most Genius Tools branded products are warranted against defects in materials and workmanship for the expected usable life of the product.
Where a tool fails to provide satisfactory service due to defective materials or workmanship, it may, following inspection, be repaired or replaced in accordance with the applicable Genius Tools warranty terms and conditions.
Warranty exclusions include:
- Fair wear and tear
- Misuse or incorrect use
- Striking tools
- Consumable tools
- Spare parts
Full warranty terms and conditions apply.
Important Information
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Genuine Genius Tools TG-312M
- 12-piece 3/8" drive metric set
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Includes every metric size from 8mm to 19mm
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Integrated flexi / swivel design
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Designed specifically for impact applications
- Suitable for compatible pneumatic and cordless impact tools
- Standard-profile socket design
- TG-312MD deep-profile version available separately
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Swivel sockets are designed primarily to improve access and working angle
- Where possible, use the straightest practical drive alignment for efficient torque transfer
- Always ensure the socket is fully engaged with the fastener before operating an impact tool
- Match the socket, drive tool and fastener correctly for the intended application
- Regularly inspect impact sockets and swivel mechanisms for excessive wear, cracking, deformation or damage
- Remove damaged impact tooling from service rather than continuing to use it
