Universal Spanner Wrench Extension Extender Power Bar - 1/2in Drive - 340mm

Professional spanner extension bar suitable for both commercial and home use, designed to provide ...

Best current price£20.31from B&Q

All Offers

2 offers from £20.31

View price history by clicking the chart icon.

B&QB&Q - Universal Spanner Wrench Extension Extender Power Bar 1/2In Drive 340mm Long
Free delivery in 1–3 days
£20.31
Visit shop
eBayUniversal Spanner Wrench Extension Extender Power Bar 1/2in Drive 340mm Long
Free delivery in 1–3 days
£20.31
Visit shop

Product Information

Full details

The Universal Spanner Wrench Extension Extender Power Bar by AB Tools is designed for mechanics, automotive enthusiasts, and DIYers who need extra leverage to break loose seized or overtightened fasteners. By extending the reach of your existing spanners, it significantly reduces the physical effort required for heavy-duty tasks; however, users should be aware that the added torque can risk damaging exceptionally weak or rusted bolts if force is applied too aggressively.

All features

Model Part NumberAT150.1
BrandAB Tools

Extended Product Information

FAQs

Does this replace a socket set?

No, it is an extension for your existing spanners to increase leverage, not a replacement for sockets.

Can I use this on Whitworth sizes?

Yes, the design is universal and accommodates metric, imperial, and Whitworth spanners.

What is the total length of the extension?

The extension bar is 340mm in length.

Is it safe to use with a power bar?

Yes, it features a 1/2in drive connection, making it compatible with most standard power bars and ratchets.

Will this break my bolts?

While it is designed for strength, the added leverage can snap rusted bolts. Always use penetrating oil on seized fasteners before applying heavy torque.

Is it made of hardened steel?

Yes, it is constructed from high-quality CR-v (chrome-vanadium) steel for maximum durability.

Troubleshooting

The tool slips off the spanner under load

Ensure the spanner is fully inserted into the extender slot and is positioned at the correct angle to distribute pressure evenly.

Difficulty getting a solid grip on the extender

Ensure your hands are free of grease, or use a shop towel over the grip area to increase friction.

Pros and Cons

Pros

  • Significantly increases leverage for stubborn fasteners
  • Fits a wide range of spanner shapes and sizes
  • Rugged CR-v steel construction for heavy-duty use
  • Compact enough to store in standard tool chests

Cons

  • Not intended for use with thin or fragile lightweight tools
  • Requires proper spatial awareness in tight engine bays
  • Risk of over-tightening fasteners due to high leverage

Setup, Compatibility & Care

To set up, simply slide the handle end of your spanner into the slot of the extension bar. Ensure the spanner is seated firmly before applying pressure to avoid slippage.

Compatibility: This tool is designed to work with almost any standard spanner regardless of the measurement system (Metric, Imperial, or Whitworth). The 1/2in drive allows it to serve as a handle extension for existing power bars or breaker bars.

Care Instructions:

  • Wipe the tool down with a clean rag after use to remove oil or debris.
  • Store in a dry environment to prevent surface oxidation.
  • Periodically inspect the drive connection for any signs of metal fatigue or warping.

Price History

DatePrice
Visit shop