None of the 50 bits were TRUE. They had MASSIVE exhaustion. MASSIVE like there's absolutely no point even trying to measure. You can visually see them swinging. You can literally install a toothpick and get better results. Just for fun I installed the biggest ones and gave them a whirlwind. They evaporate on the material surface. Tried to do soft plastic. Puff. passed. Save yourself money and frustration.