Britool Hallmark 40pc 3/8" Impact Socket & Extension Bar Set Twin Pack Offer

This Britool Hallmark Twin Pack Special Offer combines two essential professional workshop sets into one convenient package. Including a comprehensive 32-piece 3/8" Drive Standard & Deep Impact Socket Set and an 8-piece Mixed Drive Impact Extension Bar Set, this bundle provides exceptional versatility for automotive, engineering, industrial, and heavy-duty mechanical applications.

Manufactured from premium Chrome Molybdenum steel, both sets are designed to withstand the high torque generated by pneumatic air tools, cordless impact wrenches, and other professional impact equipment. Every component is built for maximum durability, strength, and long service life in demanding workshop environments.

Both sets are supplied in precision-cut Tool Control EVA foam trays, allowing quick identification, organised storage, and convenient placement within a toolbox or roll cab drawer. Individual replacement sockets and extension bars are also available separately if required.

Key Features

• Genuine Britool Hallmark professional quality
• Twin pack special offer
• Manufactured from premium Chrome Molybdenum steel
• Suitable for pneumatic air tools and cordless impact wrenches
• Includes both standard and deep impact sockets
• Includes mixed 3/8" and 1/2" drive impact extension bars
• Spring-ball socket retainers on every extension bar
• Supplied in Tool Control EVA foam trays
• Individual replacement components available separately

32 Piece 3/8" Drive Impact Socket Set

Manufactured from high-quality Chrome Molybdenum steel with a durable 6-point hex profile for maximum fastener engagement and reduced risk of rounding.

Standard & Deep Socket Sizes

• 7mm
• 8mm
• 9mm
• 10mm
• 11mm
• 12mm
• 13mm
• 14mm
• 15mm
• 16mm
• 17mm
• 18mm
• 19mm
• 20mm
• 21mm
• 22mm

(Each size supplied in both standard and deep depth.)

8 Piece Impact Extension Bar Set

Manufactured from Chrome Molybdenum steel and fitted with spring-ball socket retainers for secure socket retention.

3/8" Drive Extension Bars

• 50mm
• 100mm
• 175mm
• 250mm

1/2" Drive Extension Bars

• 75mm
• 125mm
• 200mm
• 300mm

Professional Performance

Designed for demanding workshop environments, this twin pack provides outstanding durability and versatility. The impact sockets deliver secure engagement on fasteners under high torque, while the extension bars improve access to recessed and hard-to-reach fixings without compromising strength.

Ideal Applications

Suitable for:

• Automotive servicing and repairs
• Commercial vehicle maintenance
• Agricultural machinery
• Industrial engineering
• Heavy equipment servicing
• Workshop maintenance
• Professional technicians
• Heavy-duty mechanical applications

Organised Storage

Both sets are supplied in their own precision-cut Tool Control EVA foam trays, keeping every component securely organised and easily accessible while fitting neatly into standard toolbox drawers and roll cabs.

Genuine Britool Hallmark Quality

Manufactured to the high standards expected of the Britool Hallmark range, this 40-piece Twin Pack combines two of the most useful impact tool collections into one comprehensive workshop solution. Individual sockets and extension bars are available separately should replacements ever be required.

The Brand

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 and for the expected life of the tool. 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, moving parts such as ratchet mechanisms or consumable items such as bits and repair kits.