These balancing beads have been a game-changer for my automotive business. My customers have raved about the smoothest ride they've ever experienced. The beads have also saved us time and hassle compared to traditional balancing methods. One con is that the beads can be a bit messy during installation but it's a small price to pay for the incredible results. Overall, these balancing beads are a must-have for any automotive professional looking to provide exceptional service.