Britool Hallmark 3/8" Drive 8pc Wobble Extension Bar Set 38-450mm with Foam Tray

The Britool Hallmark 3/8" Drive Wobble Extension Bar Set is designed to provide improved accessibility when working on fasteners located in confined, recessed, or awkward positions. Featuring precision-machined wobble drive ends, each extension bar allows sockets to operate at an angle of up to 10°, making it easier to reach fixings that are not perfectly aligned with the drive tool.

Manufactured from high-quality alloy steel for strength and durability, each extension bar incorporates a spring-ball socket retainer to ensure a secure connection between the extension and socket during use. This versatile set is ideal for automotive servicing, engineering applications, machinery maintenance, and general workshop tasks.

Supplied in a precision-cut tool control foam tray, the set provides organised storage and quick identification of each extension bar, helping maintain an efficient and professional workspace.

Key Features

• Genuine Britool Hallmark quality
• 3/8" square drive wobble extension bar set
• Allows socket operation at up to 10° offset angle
• Precision-machined wobble drive ends
• Spring-ball socket retainers for secure socket retention
• Manufactured from high-quality alloy steel
• Ideal for accessing difficult-to-reach fasteners
• Suitable for professional workshop and automotive use
• Supplied in tool control foam storage tray
• Individual replacement bars available separately

Set Contents

The set includes the following extension bar lengths:

• 38mm
• 50mm
• 75mm
• 125mm
• 150mm
• 200mm
• 250mm
• 450mm

Specifications

• Brand: Britool Hallmark
• Drive Size: 3/8" Square Drive
• Extension Type: Wobble Extension Bars
• Maximum Working Angle: Up to 10°
• Material: Alloy Steel
• Socket Retention: Spring-Ball Retainer
• Storage: Tool Control Foam Tray

Foam Tray Dimensions:

• Length: Approximately 472mm
• Width: Approximately 130mm
• Depth: Approximately 35mm

Wobble Drive Design

The specially machined wobble drive ends allow the socket to operate at a slight angle, providing:

• Improved access to obstructed fasteners
• Greater flexibility in confined spaces
• Easier alignment with difficult-to-reach fixings
• Increased versatility compared to standard extension bars

Tool Control Foam Storage

The included foam tray helps keep your tools organised and protected by:

• Providing dedicated storage for each extension bar
• Allowing quick identification of missing tools
• Protecting tools during transport and storage
• Fitting neatly into most toolbox drawers and roll cabs

Ideal Applications

Suitable for:

• Automotive servicing and repairs
• Vehicle maintenance
• Engineering workshops
• Industrial maintenance
• Machinery servicing
• Agricultural equipment repairs
• Professional garages
• Home workshops

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.