1/2 Inch Drive Breaker Bar - 15 Inch - TE717

This 1/2 inch drive breaker bar, also known as a power or knuckle bar, is engineered for superior ...

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B&QB&Q - 1/2In Drive Breaker Bar Power Bar Knuckle Bar 15In Wrench Flexi Head
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eBay1/2"" Drive Breaker Bar / Power Bar / Knuckle Bar 15"" Wrench Flexi Head TE717
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Product Information

Full details

The AB Tools 1/2 Inch Drive Breaker Bar (TE717) is an essential tool for automotive mechanics and DIY enthusiasts who need maximum torque to loosen stubborn, rusted, or overtightened fasteners. Its 15-inch leverage length provides significantly more force than a standard ratchet, making it ideal for breaking lug nuts or suspension bolts loose, though its non-ratcheting design means it is intended for initial loosening rather than quick assembly or removal of fasteners.

All features

Model Part NumberTE717
BrandAB Tools

Extended Product Information

FAQs

Can I use this with an impact wrench?

No, this is a manual hand tool and should not be used with power tools or impact wrenches.

Does this have a ratcheting function?

No, this is a static breaker bar designed for high-torque loosening, not fast ratcheting.

What is the total length of the bar?

The total length is 15 inches or 380mm.

Can I use this for tightening bolts?

While it can turn bolts, it is primarily designed for breaking them loose. Always use a torque wrench for final tightening to ensure the fastener is secured to manufacturer specifications.

Is the head replaceable?

The head is an integral part of the TE717 design. For longevity, keep the hinge mechanism clean and lightly lubricated.

Troubleshooting

Head will not stay in position

Ensure the ball and dip mechanism is free of debris and is fully clicked into the desired angle.

Socket keeps falling off the drive

Check that the square drive spring-loaded ball bearing is clean and functioning correctly.

Pros and Cons

Pros

  • High leverage length reduces physical effort
  • Flexible swivel head allows access to awkward angles
  • Robust construction handles heavy-duty torque
  • Compatible with all standard 1/2 inch sockets

Cons

  • Lacks a ratcheting mechanism for speed
  • Head may flop if not properly angled during initial positioning
  • Fixed 15-inch length is too long for extremely confined spaces

Setup, Compatibility & Care

To set up for use, simply attach your preferred 1/2 inch socket onto the square drive head. When navigating into a tight space, use the flexible swivel head to angle the bar toward the fastener, then use the ball and dip mechanism to lock the head's position. To maintain the tool, wipe it down with a clean, dry cloth after use to remove grease and debris. Store in a dry environment to prevent corrosion. Avoid using cheater pipes or extenders on the handle, as this can exceed the tool's designed safety ratings and cause structural failure.

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