They work, but an experienced tire fitter can break them with tools in 5 minutes each or less. Still, with all the hype, the robbery would have been obvious. I actually ordered them thinking the key would fit the same brand of lock lugs as mine but they were different. I got new tires and the company broke the key in the lock ring. Ruined my day and cost me $40. For the most part, the company won't fix their mistake, but my boss is a co-owner of this tire business and, for his part, treats meβ¦