Posted by a reviewer on Amazon

I beat on it till my arm felt like it was going to fall off

Posted by a reviewer on Amazon

I even tried heating the knuckle with a propane torch but no joy

Posted by a reviewer on Amazon

Less than a minute later the lower was free and i had the knuckle off

Posted by a reviewer on Amazon

I bought this to remove a vertical pump on a honda pressure washer it was stuck from rust and in 5 minutes i had it off

Posted by a reviewer on Amazon

The rest i had to finish off with manual hammering

Posted by a reviewer on Amazon

This does not speak poorly about the product rather perhaps the combination of beefy truck steering and suspension parts and a lousy air hammer

Posted by a reviewer on Amazon

However it did a remarkable job starting the splitting action getting half way through the split and i could then switch over to manual hammering

Posted by a reviewer on Amazon

I used a 2 lb sledge and even after hitting it a ton of times the strike end has not mushroomed and the shaft has not bent