[ainarssems]

I think it was probably more than that I can usually put all my weight(70kg+) at the end of 1m bar and it does not budge but with some rocking it does move. I have also had a case when I was younger and lighter that it would not loosen up even with all my weight rocking at the end of extension pipe over breaker bar. Eventually got it loose by resting the bar on ground and driving the car so that wheel turns and lifts car off the ground, have also broken couple of cheaper braker bars.