The bands fall apart very quickly. At first, I thought this was normal, and that’s why it comes with so many other things. I put epoxy on my counters to make them look better. I had trouble when I tried to use the 4 “It came with my granite counter tops. I had to notch out 3/4 of the way “I have walls in my kitchen that are over 25′ long. Using these bands for less than five minutes and having one break off while you were using them could be very dangerous. To figure out what else I could do with my small dremel, I had to put on head-to-toe safety gear. I bought the hd starter dremel kit. It doesn’t come with 40 bands, but they last a long time. Depending on what you want to use them for. When I use sanding bands on a dremel that spins so quickly, I will never go cheap again. When the band breaks, it will make you think twice. There are so many bands that you get with the 51 piece Katsco set. If you use them to sand something small with light force, you’re good. As someone who works with power tools, my hand is very heavy. These would not work for me.
