Increased assortment. However, when I used one of the nozzles, I was surprised to find that the leveling bearing fell apart and became misaligned, causing disastrous results in the wood. A hex wrench is included to allow for alignment bearing replacement. I did so, paying close attention to the bearing. Of course, the detent broke off, exposing the bearing balls. Fortunately, I was able to complete my work, but if you buy this product, pay more attention to the condition of the balancer bearings.