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Britool Hallmark

3/8" Dr Flexi Swivel Joint Impact Socket Set 9-22mm - Britool Hallmark

3/8" Dr Flexi Swivel Joint Impact Socket Set 9-22mm - Britool Hallmark

SKU:MFHMPSET14 - PROM1957

Regular price £125.00
Regular price £154.00 Sale price £125.00
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Product FAQs

Frequently Asked Questions

Are these sockets suitable for impact wrenches?

Yes. They are manufactured from Chrome Molybdenum steel and are specifically designed for use with pneumatic and cordless impact wrenches.

What sizes are included?

The set includes fourteen metric sockets: 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 20mm, 21mm and 22mm.

What is the benefit of the swivel joint?

The integrated universal joint allows the socket to pivot, making it much easier to reach fasteners positioned at awkward angles or in confined spaces.

Can these sockets be used with a standard 3/8" ratchet?

Yes. They fit any standard 3/8" square drive ratchet, breaker bar or extension, although they are engineered primarily for impact tool use.

What material are the sockets made from?

They are manufactured from premium heat-treated Chrome Molybdenum (Cr-Mo) steel for maximum strength and durability.

Are the sockets easy to identify?

Yes. Every socket is permanently laser marked with the Britool Hallmark logo, socket size and part number.

Will the EVA tray fit my toolbox?

The EVA tray measures 191 × 395 × 36mm, making it suitable for most professional roller cabinets, top chests and workshop drawers.

Who is this socket set designed for?

It is ideal for professional mechanics, automotive technicians, engineers, agricultural workshops, industrial maintenance engineers and serious DIY users.

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Product Description

3/8" Drive Flexi Swivel Joint Impact Socket Set 9-22mm – Britool Hallmark

Five Key Highlights

  • Professional 14-piece impact swivel socket set covering 9mm–22mm for a wide range of automotive and engineering applications.
  • Chrome Molybdenum (Cr-Mo) steel construction delivers exceptional strength, durability and impact resistance.
  • Integrated flexi swivel (universal joint) design provides improved access to awkward, recessed and hard-to-reach fasteners.
  • Designed for use with impact wrenches, air tools and high-torque cordless impact drivers.
  • Supplied in a precision-cut EVA foam tray for organised storage in tool chests, roller cabinets and workshop drawers.

Product Summary

The Britool Hallmark 3/8" Drive Flexi Swivel Joint Impact Socket Set is a professional-quality 14-piece metric socket set designed for demanding automotive, mechanical and industrial applications. Manufactured from premium Chrome Molybdenum (Cr-Mo) steel, these impact sockets are engineered to withstand the high torque produced by pneumatic and cordless impact wrenches. Each socket incorporates an integrated universal swivel joint, allowing improved access to difficult-to-reach fasteners without compromising strength. Supplied in a durable EVA foam storage tray, this impact socket set keeps every socket organised, protected and instantly accessible in any professional workshop or mobile tool kit.


Product Description

Construction & Materials

Manufactured from premium-grade Chrome Molybdenum (Cr-Mo) steel, every socket is heat-treated to provide outstanding toughness and long service life under repeated impact use. The integrated swivel joint is engineered for smooth articulation, allowing efficient fastening at angles where conventional sockets cannot reach.

Each socket is permanently laser marked with the Britool Hallmark logo, socket size and part number for quick identification, even after years of workshop use.


Features & Benefits

  • Professional 3/8" square drive impact socket set
  • Integrated flexi swivel (universal joint) design for improved accessibility
  • Suitable for pneumatic impact guns and cordless impact wrenches
  • Chrome Molybdenum steel construction for maximum durability
  • Heat-treated for superior strength and wear resistance
  • Metric sizes from 9mm to 22mm
  • Laser-etched size markings for fast identification
  • Compact design ideal for confined engine bays and restricted spaces
  • Precision-cut EVA foam tray keeps sockets securely organised
  • Suitable for professional mechanics, technicians, engineers and serious DIY users

Applications

Ideal for:

  • Automotive servicing and repairs
  • Suspension work
  • Engine maintenance
  • Gearbox repairs
  • Commercial vehicle servicing
  • Agricultural machinery
  • Industrial maintenance
  • Plant equipment repairs
  • Workshop and mobile mechanic tool kits

The swivel joint allows easier access to fasteners positioned around chassis components, steering systems, suspension assemblies and engine compartments where straight sockets cannot reach.


Storage & Organisation

The supplied high-density EVA foam tray protects every socket while keeping your toolbox organised and tools easy to locate. Designed to fit most professional roller cabinets, tool chests and workshop drawers, the foam also makes missing sockets immediately visible for improved tool control.


Technical Specifications

Specification Details
Brand Britool Hallmark
Drive Size 3/8" Square Drive
Socket Type Impact Flexi Swivel (Universal Joint)
Socket Style 6-Point Impact
Material Chrome Molybdenum (Cr-Mo) Steel
Finish Black Phosphate
Sizes Included 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22mm
Number of Pieces 14
Socket Length 52mm–56mm
Storage EVA Foam Tool Control Tray
EVA Tray Dimensions 191 × 395 × 36mm
Approximate Weight 1.9kg
Suitable For Impact Wrenches, Air Tools & Cordless Impact Drivers

What's Included

  • 14 × 3/8" Drive Flexi Swivel Impact Sockets:
    • 9mm
    • 10mm
    • 11mm
    • 12mm
    • 13mm
    • 14mm
    • 15mm
    • 16mm
    • 17mm
    • 18mm
    • 19mm
    • 20mm
    • 21mm
    • 22mm
  • Precision-cut EVA Foam Storage Tray


EAN: 5060960270139

The HALLMARK range was developed by Britool in the 80's for the automotive aftermarket. it has been the professional’s choice ever since. Each tool is marked with the Britool hallmark , your guarantee of quality.

The Britool Hallmark guarantee covers against defective materials and/or workmanship when used for the purpose for which they were designed. In the unlikely event that a product fails during normal use, it will be repaired or replaced. The guarantee does not extend to fair wear & tear or moving parts such as ratchet mechanisms.


Product Specification

Height 40 mm
Length 395 mm
Weight 1.9 kg
Width 200 mm