I have used it several times to remove and install nuts/bolts on my car. I'm concerned about durability as any thin-walled socket will eventually crack with repeated hits with an impact wrench. That's why real percussion jacks have thick walls. My screws are tightened to 160 Nm. For removal and installation I use a Ryobi cordless impact wrench with full power. I bought a torsion bar to limit assembly torque, but the bumps are obviously still there. It has endured 20 full torque disassemblies and 40 installs at 130Nm with impact and 40 more uses at 160Nm with my torque wrench. So far no cracks and only minor signs of wear. I won't be surprised if it breaks, but so far it's holding up well.