KNUCKLEBUDDY adds 10" to your existing wrench for maximum leverage. It's 15,30 & 180 degree angle feature allows you to loosen and tighten nuts and bolts in hard to reach areas.
Works with both SAE and MM sizes up to 1" or 25mm. Its versatily also allows it to be used with other tools. (I.E Crescent wrench, Allen wrench, ratchets and more)