What snapped it was just the stock tire iron from Toyota. I have one of the mini 4-ways that breaks down from Harbor Freight. They work well for spinning the lugs on an off but not that great for loosening or tightening. It must have been weakened, because I didn't do nay more to it than any of the other and it was the only one that snapped. I'll run her car over Monday and have them replace it.