I was a bit worried when I bought it after seeing some photos of this tool bent. All I can say is that anyone who bends must have a nasty stuck fan clutch nut! This tool is very durable and thick! I kept trying to keep the belt as taut as possible and hit the wrench with a 4 pound hammer and it just spun in the serpentine belt. After trying for 45 minutes I gave up and went to AutoZone for a tool. They had nothing to rent. I think it's too old fashioned now. But saw this guy here and ordered it. It arrived on time, it was easy to get caught on the pulley, it took a hit and the nut came loose. My only regret is that I didn't buy it first!