Britool Hallmark

Britool 3/8" Drive Std & Deep Socket Set 6-24mm + Extension Bar Set

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PROM2148


Regular price £89.99
Sale price £89.99 Regular price £185.00

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Britool Hallmark 38Pc 3/8" Drive Standard & Deep Socket Set 6–24mm + 8Pc Extension Bar Set

Upgrade your professional toolkit with this Britool Hallmark 3/8" Drive Socket Set and 8-Piece Extension Bar Set, combining a comprehensive range of standard and deep 6-point sockets with versatile wobble extension bars for improved access to difficult-to-reach fasteners.

Manufactured from high-quality Chrome Vanadium steel, the sockets are precision-machined for strength, durability and accurate fastener engagement. The 6-point hexagon profile provides a secure grip on nuts and bolts, helping to minimise slipping and fastener rounding.

The 38-piece socket set includes both standard and deep sockets covering metric sizes from 6mm to 24mm, making it ideal for professional automotive technicians, mechanics, engineers and workshop applications.

Supplied in a precision-cut EVA tool control foam tray, each socket has its own dedicated position for organised storage and quick identification. The sockets feature the distinctive Britool Hallmark branding, including the iconic Hallmark emblem and individual part numbers.

The accompanying 8-piece wobble extension bar set provides additional reach and flexibility, featuring a clever double-click design that allows each extension to operate in either fixed or wobble mode, with up to 10° of angular movement.

Key Features

46 Pieces in Total – 38-piece socket set plus 8 extension bars.

3/8" Square Drive – Versatile drive size for automotive and engineering applications.

Standard & Deep Sockets – Comprehensive metric coverage from 6mm to 24mm.

6-Point Hexagon Profile – Secure fastener engagement to help reduce slipping and rounding.

Chrome Vanadium Steel – Durable construction for professional workshop use.

Precision-Cut EVA Foam Tray – Organised socket storage for toolbox drawers and roll cabs.

8 Wobble Extension Bars – Extra reach and flexibility when working in confined spaces.

Double-Click Design – Allows switching between fixed and wobble operation.

10° Wobble Angle – Provides improved access to awkwardly positioned fasteners.

Genuine Britool Hallmark Quality – Professional tools featuring the distinctive Hallmark branding.

Set Contents & Specifications

38Pc 3/8" Drive Socket Set

Drive Size: 3/8" Square Drive

Socket Profile: 6-Point Hexagon

Material: Chrome Vanadium Steel

Measurement System: Metric

Socket Sizes: 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23 and 24mm

Standard Sockets: 19 Pieces (6–24mm)

Deep Sockets: 19 Pieces (6–24mm)

Storage: Precision-Cut EVA Tool Control Foam Tray

8Pc 3/8" Drive Wobble Extension Bar Set

Extension Lengths: 38, 50, 75, 125, 150, 200, 250 and 450mm

Drive Size: 3/8" Square Drive

Design: Double-Click Fixed & Wobble Function

Wobble Angle: Up to 10°

Quantity: 8 Pieces

Why Choose Britool Hallmark?

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.

Britool 3/8" Drive Std & Deep Socket Set 6-24mm + Extension Bar Set

£89.99

Frequently Asked Questions

What is included in the Britool Hallmark 3/8" Drive Socket Set?
The Britool Hallmark 3/8" Drive Socket Set includes both standard and deep 6-point metric sockets in sizes 6mm to 24mm, giving you a comprehensive selection for everyday workshop tasks. Manufactured from high-quality Chrome Vanadium steel, every socket is supplied in a precision-cut Tool Control foam tray for organised storage, quick identification and easy access in toolboxes and roll cab drawers.
What are the benefits of a 3/8" drive socket set?
A 3/8" drive socket set is one of the most versatile socket collections for automotive, engineering and general maintenance work. It offers an excellent balance between strength and accessibility, making it suitable for everything from engine components and suspension parts to machinery repairs and workshop maintenance. The Britool Hallmark 3/8" drive socket set is ideal for professional mechanics, engineers and DIY enthusiasts who need reliable everyday performance.
Why does this socket set include both standard and deep sockets?
Including both standard and deep sockets makes the set suitable for a wider variety of fastening tasks. Standard sockets are perfect for general repairs where there is good access to the fastener, while deep sockets allow you to reach nuts fitted to long threaded studs or recessed bolts. Having both types in one set means you're prepared for more jobs without needing additional tools.
Why are 6-point sockets better for high-torque applications?
The 6-point hexagon socket design grips the flat sides of a nut or bolt rather than the corners, providing greater contact and improved torque transfer. This helps reduce the risk of slipping or rounding fasteners, especially when dealing with stubborn, corroded or high-torque fixings. The precision-machined sockets in the Britool Hallmark set are designed to deliver a secure fit and dependable performance in demanding workshop environments.
Why choose the Britool Hallmark 3/8" Drive Socket Set?
The Britool Hallmark 3/8" Drive Socket Set combines professional-quality Chrome Vanadium steel construction, precision-machined 6-point sockets and organised Tool Control foam storage to create a durable and practical solution for everyday workshop use. With a comprehensive size range from 6mm to 24mm, plus both standard and deep sockets, it is an excellent choice for automotive servicing, engineering, machinery maintenance and industrial repairs.
Is this socket set suitable for impact wrenches?
No. This Britool Hallmark 3/8" Drive Socket Set is manufactured from Chrome Vanadium steel and is designed specifically for use with hand tools, including ratchets, breaker bars, extension bars and torque wrenches. It is not suitable for impact wrenches or powered impact tools. For impact applications, a Chrome Moly impact socket set should always be used to ensure safety, durability and reliable performance.