KNUCKLEBUDDY® Wrench Extender

U.S. Pat. No. 9,873,194

KNUCKLEBUDDY® is a wrench extender that assists your wrenches reach nuts and bolts in hard to reach areas. Get into tight places with ease.

KNUCKLEBUDDY® fits 8mm to 25mm and 3/8" to 1" combo wrenches.

Great tool when working with manifold bolts, serpentine belts, wheel alignments, water pumps, pulleys, aviation maintenance and more!

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I don't double wrench anymore. I use KNUCKLEBUDDY.

Alignment Guy

It's no hype. It really works and doesn't slip!


We love KNUCKLEBUDDY! It works great for those hard to reach areas.

Brake Mechanic